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java.util.ConcurrentModificationException: 	at java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719)	at java.util.LinkedHashMap$LinkedKeyIterator.next(LinkedHashMap.java:742)	at com.dooapp.fxform.adapter.DefaultAdapterProvider.getAdapter(DefaultAdapterProvider.java:127)	at com.dooapp.fxform.adapter.DefaultAdapterProvider.getAdapter(DefaultAdapterProvider.java:110)	at com.dooapp.fxform.controller.PropertyEditorController$1.changed(PropertyEditorController.java:62)	at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:361)	at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)	at javafx.beans.property.ObjectPropertyBase.fireValueChangedEvent(ObjectPropertyBase.java:105)	at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)	at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)	at javafx.beans.property.ObjectProperty.setValue(ObjectProperty.java:69)	at com.dooapp.fxform.controller.PropertyEditorController.lambda$updateView$0(PropertyEditorController.java:107)	at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)	at java.security.AccessController.doPrivileged(Native Method)	at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)	at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)	at java.lang.Thread.run(Thread.java:745)