number-pairs : fuzz : built
URL: http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz
ERROR: QUERY: fuzz
TypeError: ug.get(...) is undefined
STACK: sum@http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1704954
at sum (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1704954)
at Wo/</r[e] (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1417646)
at Wo/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1418067)
at m (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:2413)
at getDerivedPropertyListener (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:3363)
at notifyLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25604)
at emit (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25274)
at _notifyListeners (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18704)
at unguardedSet (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18204)
at set (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18008)
at set (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:15418)
at bg/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1708557)
at notifyLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25604)
at emit (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25458)
at emit (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:8242)
at fire (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1709123)
at bg/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1708662)
at notifyLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25604)
at emit (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25274)
at _notifyListeners (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18704)
at unguardedSet (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18204)
at set (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18008)
at set (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:15418)
at createPressListener/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1255710)
at notifyLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25604)
at emit (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:25274)
at _notifyListeners (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18704)
at unguardedSet (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18204)
at set (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:18008)
at set value (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:15361)
at onRelease (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:774725)
at execute (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1153697)
at release (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:772423)
at pointerUp (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:775126)
at dispatchToListeners (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:740367)
at dispatchEvent (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:739953)
at upEvent (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:738697)
at Ka/this.mouseUpAction< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:723686)
at execute (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1153697)
at mouseUp (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:736117)
at mouseToggle (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:759961)
at ml/this.mouseToggleAction (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:757172)
at fuzzEvents (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:758071)
at fuzzInputEvents (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1656670)
at runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685320)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at FrameRequestCallback*runAnimationLoop (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685161)
at t/</< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684631)
at setTimeout handler*t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684439)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at t/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684432)
at setTimeout handler*t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1684235)
at start (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1685131)
at phet.chipper.runWebpack/</</< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1727374)
at launch/</window.phet.joist.launchSimulation (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1687477)
at launch/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1687837)
at proceedIfReady/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:344134)
at proceedIfReady (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:344123)
at createLock/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:344226)
at EventHandlerNonNull*9599 (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:65831)
at i (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1213119)
at promise callback*s (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:84477)
at phet.chipper.runWebpack/</< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1686846)
at phet.chipper.runWebpack/< (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1727385)
at phet.chipper.runWebpack (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1060:1727389)
at i (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1061:1021)
at t (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1061:1049)
at <unknown> (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1061:1074)
at <unknown> (http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz:1061:1176)
====================
FULL LOG:
[URL] http://127.0.0.1/continuous-testing/aqua/html/sim-test.html?url=..%2F..%2Fct-snapshots%2F1725877055435%2Fnumber-pairs%2Fbuild%2Fphet%2Fnumber-pairs_en_phet.html&simQueryParameters=fuzz&duration=80000&testInfo=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D
[NAVIGATED] http://127.0.0.1/continuous-testing/aqua/html/sim-test.html?url=..%2F..%2Fct-snapshots%2F1725877055435%2Fnumber-pairs%2Fbuild%2Fphet%2Fnumber-pairs_en_phet.html&simQueryParameters=fuzz&duration=80000&testInfo=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D
[ATTACHED]
[NAVIGATED] http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz
[CONSOLE] [JavaScript Warning: "An AudioContext was prevented from starting automatically. It must be created or resumed after a user gesture on the page." {file: "http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz" line: 1060}]
[CONSOLE] [JavaScript Warning: "WebGL warning: <Create>: WebglAllowWindowsNativeGl:false restricts context creation on this system." {file: "http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz" line: 1060}]
[CONSOLE] [JavaScript Warning: "Failed to create WebGL context: WebGL creation failed:
* WebglAllowWindowsNativeGl:false restricts context creation on this system. ()
* Exhausted GL driver options. (FEATURE_FAILURE_WEBGL_EXHAUSTED_DRIVERS)" {file: "http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz" line: 1060}]
[CONSOLE] [JavaScript Warning: "WebGL warning: <Create>: WebglAllowWindowsNativeGl:false restricts context creation on this system." {file: "http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz" line: 1060}]
[CONSOLE] [JavaScript Warning: "Failed to create WebGL context: WebGL creation failed:
* WebglAllowWindowsNativeGl:false restricts context creation on this system. ()
* Exhausted GL driver options. (FEATURE_FAILURE_WEBGL_EXHAUSTED_DRIVERS)" {file: "http://127.0.0.1/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725877685287%7D&fuzz" line: 1060}]
[CONSOLE] continuous-test-load
[CONSOLE] continuous-test-error
[PAGE ERROR] TypeError: ug.get(...) is undefined
id: "Sparky Node Firefox"
Snapshot from 9/9/2024, 4:17:35 AM
----------------------------------
number-pairs : fuzz : built
URL: http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz
ERROR: QUERY: fuzz
Uncaught TypeError: Cannot read properties of undefined (reading 'value')
STACK: TypeError: Cannot read properties of undefined (reading 'value')
at Object.sum (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:1704991)
at n.maps.n.maps.hasOwnProperty.r.<computed> [as sum] (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:1417677)
at <unknown> (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:1418098)
at m (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:2444)
at Wo.getDerivedPropertyListener (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:3394)
at o.notifyLoop (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:25634)
at o.emit (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:25305)
at A._notifyListeners (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:18735)
at A.unguardedSet (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:18235)
at A.set (http://128.138.93.172/continuous-testing/ct-snapshots/1725877055435/number-pairs/build/phet/number-pairs_en_phet.html?continuousTest=%7B%22test%22%3A%5B%22number-pairs%22%2C%22fuzz%22%2C%22built%22%5D%2C%22snapshotName%22%3A%22snapshot-1725877055435%22%2C%22timestamp%22%3A1725882847948%7D&fuzz:1060:18039)
====================
I don't see this error in CT anymore. Perhaps it was only present in some initial development, and has been fixed by subsequent changes that @marlitas has made.