java.lang.NullPointerExceptionjava.lang.NullPointerException

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Stack trace

  • java.lang.NullPointerExceptionjava.lang.NullPointerException at PaintFrame$DialogOpen.<init>(PaintFrame.java:221) at PaintFrame$DialogOpen.<init>(PaintFrame.java:221) at PaintFrame$MenuListener.actionPerformed(PaintFrame.java:164) at PaintFrame$MenuListener.actionPerformed(PaintFrame.java:164) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1767) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1767) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1820) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1820) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419)

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