java.lang.NullPointerException: This exception has no message.

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via fordiac by mwc5
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA$MapSubAppToCommand.canUndo(CConvertSystemToScheduledFASA.java:932)
at org.eclipse.gef.commands.CommandStack.canUndo(CommandStack.java:165)
at org.eclipse.gef.ui.actions.UndoAction.calculateEnabled(UndoAction.java:55)
at org.eclipse.gef.ui.actions.WorkbenchPartAction.refresh(WorkbenchPartAction.java:131)
at org.eclipse.gef.ui.actions.UndoAction.refresh(UndoAction.java:87)
at org.eclipse.gef.ui.actions.WorkbenchPartAction.update(WorkbenchPartAction.java:173)
at org.eclipse.gef.ui.parts.GraphicalEditor.updateActions(GraphicalEditor.java:458)
at org.fordiac.ide.gef.DiagramEditor.commandStackChanged(Unknown Source)
at org.eclipse.gef.commands.CommandStack.notifyListeners(CommandStack.java:312)
at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA.addMappingTo4DIAC(CConvertSystemToScheduledFASA.java:800)
at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA.access$4(CConvertSystemToScheduledFASA.java:722)
at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA$1.run(CConvertSystemToScheduledFASA.java:135)

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