Lots of errors on the console

[Andersmholmgren]

I haven't traced the cause of this yet but logging here as a placeholder.

Uncaught Unhandled exception:
The null object does not have a method 'call'.

NoSuchMethodError: method not found: 'call'
Receiver: null
Arguments: [Instance of 'JsObjectImpl']
#0      Object._noSuchMethod (dart:core-patch/object_patch.dart:42)
#1      Object.noSuchMethod (dart:core-patch/object_patch.dart:45)
#2      _wrapEventHandler.<anonymous closure> (package:react/src/react/events.dart:44:56)VM125:1 
(anonymous function)react.js:9850 
ReactErrorUtils.invokeGuardedCallbackreact.js:2876 
executeDispatchreact.js:2896 
executeDispatchesInOrderreact.js:2335 
executeDispatchesAndReleasereact.js:2346 
executeDispatchesAndReleaseTopLevelreact.js:16301 
forEachAccumulatedreact.js:2551 
EventPluginHub.processEventQueuereact.js:9876 
runEventQueueInBatchreact.js:9892 
ReactEventEmitterMixin.handleTopLevelreact.js:9990 
handleTopLevelWithoutPathreact.js:9970 
handleTopLevelImplreact.js:15799 
Mixin.performreact.js:8592 
ReactDefaultBatchingStrategy.batchedUpdatesreact.js:13869 
batchedUpdatesreact.js:10101 
ReactEventListener.dispatchEvent