Icy Version 1.9.9.1
Java(TM) SE Runtime Environment 1.8.0_191-b12 (64 bit)
Running on Linux 4.15.0-39-generic (amd64)
Max java memory : 16.7 GB

Comment:
Please type here your comment

java.lang.ClassCastException: java.util.HashMap$Node cannot be cast to java.util.HashMap$TreeNode
at java.util.HashMap$TreeNode.removeTreeNode(HashMap.java:2034)
at java.util.HashMap.removeNode(HashMap.java:840)
at java.util.HashMap.remove(HashMap.java:799)
at org.pushingpixels.substance.internal.animation.StateTransitionMultiTracker$1.onFocusStateTransition(StateTransitionMultiTracker.java:91)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker.fireFocusStateTransitionEvent(StateTransitionTracker.java:721)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker.access$000(StateTransitionTracker.java:63)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker$2.onTimelineStateChanged(StateTransitionTracker.java:214)
at org.pushingpixels.trident.Timeline$Chain.onTimelineStateChanged(Timeline.java:214)
at org.pushingpixels.trident.TimelineEngine$1.run(TimelineEngine.java:591)
at org.pushingpixels.trident.TimelineEngine$TimelineCallbackThread.run(TimelineEngine.java:242)