java.lang.AssertionError
	at
org.netbeans.modules.form.layoutdesign.LayoutRegion.overlap(LayoutRegion.java:331)
	at
org.netbeans.modules.form.layoutdesign.LayoutDragger.scanLayoutForNextTo(LayoutDragger.java:652)
	at
org.netbeans.modules.form.layoutdesign.LayoutDragger.findBestPosition(LayoutDragger.java:523)
	at
org.netbeans.modules.form.layoutdesign.LayoutDragger.move(LayoutDragger.java:385)
	at
org.netbeans.modules.form.layoutdesign.LayoutDesigner.move(LayoutDesigner.java:495)
	at
org.netbeans.modules.form.HandleLayer$ComponentDrag.move(HandleLayer.java:1912)
	at
org.netbeans.modules.form.HandleLayer$ComponentDrag.move(HandleLayer.java:1895)
	at
org.netbeans.modules.form.HandleLayer.mouseDragged(HandleLayer.java:1573)
	at
java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:261)
	at java.awt.Component.processMouseMotionEvent(Component.java:5536)
	at
javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3144)
	at java.awt.Component.processEvent(Component.java:5257)
	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:3909)
	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)