java.lang.IllegalStateException: javax.swing.JButton[,211,74,73x23,invalid,alignmentX=0.0,alignmentY=0.5,border=com.sun.java.swing.plaf.windows.XPStyle$XPEmptyBorder@1f812f2,flags=296,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=2,left=14,bottom=2,right=14],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=true,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=jButton2,defaultCapable=true] is not attached to a horizontal group
	at org.jdesktop.layout.GroupLayout.checkComponents(GroupLayout.java:986)
	at org.jdesktop.layout.GroupLayout.prepare(GroupLayout.java:940)
	at org.jdesktop.layout.GroupLayout.layoutContainer(GroupLayout.java:806)
	at org.netbeans.modules.form.layoutdesign.support.SwingLayoutBuilder.createLayout(SwingLayoutBuilder.java:135)
	at org.netbeans.modules.form.layoutdesign.support.SwingLayoutBuilder.setupContainerLayout(SwingLayoutBuilder.java:80)
	at org.netbeans.modules.form.VisualReplicator.setupContainerLayout(VisualReplicator.java:740)
	at org.netbeans.modules.form.VisualReplicator.updateContainerLayout(VisualReplicator.java:291)
	at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2121)
	at org.netbeans.modules.form.FormDesigner$FormListener.processEvents(FormDesigner.java:2066)
	at org.netbeans.modules.form.FormDesigner$FormListener.formChanged(FormDesigner.java:2027)
	at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:960)
[catch] at org.netbeans.modules.form.FormModel$EventBroker.run(FormModel.java:1060)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.jemmy.QueueTool$JemmyQueue.dispatchEvent(QueueTool.java:588)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)