java.lang.AssertionError: Call only in AWT queue.
        at org.openide.WizardDescriptor.updateButtonAccessibleDescription(WizardDescriptor.java:1370)
        at org.openide.WizardDescriptor.access$2300(WizardDescriptor.java:127)
        at org.openide.WizardDescriptor$PropL.propertyChange(WizardDescriptor.java:2150)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:188)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at java.awt.Component.firePropertyChange(Component.java:8128)
        at javax.swing.JComponent.putClientProperty(JComponent.java:4039)
        at org.netbeans.modules.junit.wizards.EmptyTestCaseWizardIterator.initialize(EmptyTestCaseWizardIterator.java:259)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep$2.initialize(DescriptionStep.java:311)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep.waitForDelegateWizard(DescriptionStep.java:276)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep.presentModulesForEnable(DescriptionStep.java:176)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep.presentModulesForActivation(DescriptionStep.java:157)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep.access$200(DescriptionStep.java:84)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep$PresentModules.run(DescriptionStep.java:151)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: Call only in AWT queue.
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:655)
        at org.netbeans.modules.ide.ergonomics.newproject.DescriptionStep$PresentModules.propertyChange(DescriptionStep.java:146)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at java.awt.Component.firePropertyChange(Component.java:8128)
        at org.netbeans.modules.ide.ergonomics.newproject.ContentPanel.access$000(ContentPanel.java:53)
        at org.netbeans.modules.ide.ergonomics.newproject.ContentPanel$1.run(ContentPanel.java:74)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1070)