Uncaught Error: Assertion failed: Incorrect type in phet-io wrapper. Expected Range, received Object
at window.assertions.assertFunction (assert.js:22)
at assertInstanceOf (assertInstanceOf.js?bust=1541542492739:57)
at Function.toStateObject (RangeIO.js?bust=1541542492739:38)
at Function.toStateObject (NumberPropertyIO.js?bust=1541542492739:73)
at getValueJSON (phetio.js?bust=1541542492739:108)
at Phetio.getState (phetio.js?bust=1541542492739:136)
at PhetioEngineIO.implementation (PhetioEngineIO.js?bust=1541542492739:172)
at PhetioCommandProcessor.invoke (phetioCommandProcessor.js?bust=1541542492739:257)
at PhetioCommandProcessor.handleSingleInvoke (phetioCommandProcessor.js?bust=1541542492739:115)
at PhetioCommandProcessor.handleRequest (phetioCommandProcessor.js?bust=1541542492739:151)
Studio => Launch yields:
Uncaught Error: Assertion failed: Incorrect type in phet-io wrapper. Expected Range, received Object at window.assertions.assertFunction (assert.js:22) at assertInstanceOf (assertInstanceOf.js?bust=1541542492739:57) at Function.toStateObject (RangeIO.js?bust=1541542492739:38) at Function.toStateObject (NumberPropertyIO.js?bust=1541542492739:73) at getValueJSON (phetio.js?bust=1541542492739:108) at Phetio.getState (phetio.js?bust=1541542492739:136) at PhetioEngineIO.implementation (PhetioEngineIO.js?bust=1541542492739:172) at PhetioCommandProcessor.invoke (phetioCommandProcessor.js?bust=1541542492739:257) at PhetioCommandProcessor.handleSingleInvoke (phetioCommandProcessor.js?bust=1541542492739:115) at PhetioCommandProcessor.handleRequest (phetioCommandProcessor.js?bust=1541542492739:151)
May be related to https://github.com/phetsims/dot/issues/80