java.lang.NullPointerException

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  • simple problem - calling an object...
    via by 807595,
    • java.lang.NullPointerException at SkelAppIPCanvas.addConstant(SkelAppIPCanvas.java:260) at SkelAppIPFrame$SkelApp2DGMenuDispatcher.serviceMenuEvent(SkelAppIPFrame.java:342) at SkelAppIPFrame$SkelApp2DGMenuDispatcher.actionPerformed(SkelAppIPFrame.java:293) at java.awt.MenuItem.processActionEvent(MenuItem.java:531) at java.awt.MenuItem.processEvent(MenuItem.java:495) at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:271) at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:261) at java.awt.EventQueue.dispatchEvent(EventQueue.java:341) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)
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