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phetsims / fractions-intro

"Fractions Intro" is an educational simulation in HTML5, by PhET Interactive Simulations.
MIT License
1 stars 3 forks source link

assertions with Beaker Representation #91

Closed veillette closed 7 years ago

veillette commented 7 years ago

Assertion failed: undefined Cell.js?bust=1499352104960:60 Uncaught Error: Assertion failed: undefined at window.assertions.assertFunction (:8080/assert/js/assert.js:21) at Cell.empty (Cell.js?bust=1499352104960:60) at BeakerView.onExistingCellDragStart (BeakerView.js?bust=1499352104960:305) at BeakerView.js?bust=1499352104960:334 at Object.down (BeakerContainerNode.js?bust=1499352104960:56) at Input.dispatchToTargets (Input.js?bust=1499352104960:809) at Input.dispatchEvent (Input.js?bust=1499352104960:751) at Input.downEvent (Input.js?bust=1499352104960:644) at Input.mouseDown (Input.js?bust=1499352104960:324) at Display.fuzzMouseEvents (Display.js?bust=1499352104960:1108)