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

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java.lang.NullPointerException:
at editor.tabpane.ContentContainer$ContentInnerBorder.initInsets(ContentContainer.java:109)
at editor.tabpane.ContentContainer$ContentInnerBorder.getBorderInsets(ContentContainer.java:105)
at javax.swing.JComponent.setBorder(JComponent.java:1799)
at editor.tabpane.ContentContainer.configUi(ContentContainer.java:23)
at editor.tabpane.ContentContainer.(ContentContainer.java:19)
at editor.tabpane.TabPane.configUi(TabPane.java:283)
at editor.tabpane.TabPane.(TabPane.java:91)
at editor.tabpane.TabPane.(TabPane.java:80)
at editor.GosuPanel.configUI(GosuPanel.java:121)
at editor.GosuPanel.(GosuPanel.java:108)
at editor.BasicGosuEditor.configUI(BasicGosuEditor.java:89)
at editor.BasicGosuEditor.(BasicGosuEditor.java:26)
at editor.BasicGosuEditor.create(BasicGosuEditor.java:175)
at editor.RunMe.lambda$launchEditor$0(RunMe.java:45)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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