java.lang.AssertionError
	at
org.netbeans.modules.form.layoutdesign.LayoutRegion.overlap(LayoutRegion.java:323)
	at
org.netbeans.modules.form.layoutdesign.LayoutUtils.contentOverlap(LayoutUtils.java:303)
	at
org.netbeans.modules.form.layoutdesign.LayoutUtils.contentOverlap(LayoutUtils.java:295)
	at
org.netbeans.modules.form.layoutdesign.LayoutFeeder.analyzeSequential(LayoutFeeder.java:1473)
	at
org.netbeans.modules.form.layoutdesign.LayoutFeeder.analyzeParallel(LayoutFeeder.java:1403)
	at
org.netbeans.modules.form.layoutdesign.LayoutFeeder.add(LayoutFeeder.java:226)
	at
org.netbeans.modules.form.layoutdesign.LayoutDesigner.endMoving(LayoutDesigner.java:447)
	at
org.netbeans.modules.form.HandleLayer$ResizeComponentDrag.end(HandleLayer.java:2199)
	at
org.netbeans.modules.form.HandleLayer$ComponentDrag.end(HandleLayer.java:1894)
	at
org.netbeans.modules.form.HandleLayer.endDragging(HandleLayer.java:798)
	at
org.netbeans.modules.form.HandleLayer.mouseReleased(HandleLayer.java:1297)
	at java.awt.Component.processMouseEvent(Component.java:5488)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
	at java.awt.Component.processEvent(Component.java:5253)
	at java.awt.Container.processEvent(Container.java:1966)
	at java.awt.Component.dispatchEventImpl(Component.java:3955)
	at java.awt.Container.dispatchEventImpl(Container.java:2024)
	at java.awt.Component.dispatchEvent(Component.java:3803)
	at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
	at
java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
	at java.awt.Container.dispatchEventImpl(Container.java:2010)
	at java.awt.Window.dispatchEventImpl(Window.java:1774)
	at java.awt.Component.dispatchEvent(Component.java:3803)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
	at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
	at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)