java.lang.IllegalArgumentException: Width and height must be >= 0
   at java.awt.Component.getBaseline(Component.java:2817)
   at javax.swing.JComponent.getBaseline(JComponent.java:2559)
   at javax.swing.plaf.basic.BasicComboBoxUI.getBaseline(BasicComboBoxUI.java:986)
   at javax.swing.JComponent.getBaseline(JComponent.java:2561)
   at javax.swing.GroupLayout$ComponentSpring.getBaseline(GroupLayout.java:3075)
   at javax.swing.GroupLayout$BaselineGroup.calculateBaselineAndResizeBehavior(GroupLayout.java:2732)
   at javax.swing.GroupLayout$BaselineGroup.calculateSize(GroupLayout.java:2708)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1627)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1622)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1622)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout.calculateAutopadding(GroupLayout.java:1071)
   at javax.swing.GroupLayout.prepare(GroupLayout.java:1059)
   at javax.swing.GroupLayout.preferredLayoutSize(GroupLayout.java:878)
   at java.awt.Container.preferredSize(Container.java:1794)
   at java.awt.Container.getPreferredSize(Container.java:1778)
   at javax.swing.JComponent.getPreferredSize(JComponent.java:1661)
   at javax.swing.GroupLayout$ComponentSpring.calculateNonlinkedPreferredSize(GroupLayout.java:3019)
   at javax.swing.GroupLayout$ComponentSpring.calculateNonlinkedMinimumSize(GroupLayout.java:3005)
   at javax.swing.GroupLayout$ComponentSpring.calculateMinimumSize(GroupLayout.java:2972)
   at javax.swing.GroupLayout$Spring.getMinimumSize(GroupLayout.java:1336)
   at javax.swing.GroupLayout$ComponentSpring.calculatePreferredSize(GroupLayout.java:2979)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1625)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1622)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1622)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$SequentialGroup.setValidSize(GroupLayout.java:2017)
   at javax.swing.GroupLayout$Group.setSize(GroupLayout.java:1587)
   at javax.swing.GroupLayout.calculateAutopadding(GroupLayout.java:1079)
   at javax.swing.GroupLayout.layoutContainer(GroupLayout.java:918)
   at java.awt.Container.layout(Container.java:1508)
   at java.awt.Container.doLayout(Container.java:1497)
   at java.awt.Container.validateTree(Container.java:1693)
   at java.awt.Container.validateTree(Container.java:1702)
   at java.awt.Container.validateTree(Container.java:1702)
   at java.awt.Container.validate(Container.java:1628)
   at javax.swing.RepaintManager$2.run(RepaintManager.java:691)
   at javax.swing.RepaintManager$2.run(RepaintManager.java:689)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:688)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1679)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   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)