Icy Version 1.8.6.0
Java(TM) SE Runtime Environment 1.8.0_121-b13 (32 bit)
Running on Windows 8.1 6.3 (x86)
Max java memory : 1.0 GB

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java.lang.ClassCastException: java.util.HashMap$Node cannot be cast to java.util.HashMap$TreeNode
at java.util.HashMap$TreeNode.removeTreeNode(Unknown Source)
at java.util.HashMap.removeNode(Unknown Source)
at java.util.HashMap.remove(Unknown Source)
at org.pushingpixels.substance.internal.animation.StateTransitionMultiTracker$1.onModelStateTransition(StateTransitionMultiTracker.java:77)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker.fireModelStateTransitionEvent(StateTransitionTracker.java:704)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker.access$600(StateTransitionTracker.java:63)
at org.pushingpixels.substance.internal.animation.StateTransitionTracker$6$1.run(StateTransitionTracker.java:507)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)