z2-Environment

Try to create a module:

Could not initialize class com.zfabrik.intellij.z2plugin.Z2Icons: Could not initialize class com.zfabrik.intellij.z2plugin.Z2Icons
java.lang.NoClassDefFoundError: Could not initialize class com.zfabrik.intellij.z2plugin.Z2Icons
    at com.zfabrik.intellij.z2plugin.wizards.AbstractZ2ModuleBuilder.getNodeIcon(AbstractZ2ModuleBuilder.java:53)
    at com.intellij.platform.templates.PlainModuleTemplatesFactory.getGroupIcon(PlainModuleTemplatesFactory.java:81)
    at com.intellij.ide.util.newProjectWizard.modes.CreateFromTemplateMode.getTemplatesMap(CreateFromTemplateMode.java:56)
    at com.intellij.ide.util.newProjectWizard.modes.CreateFromTemplateMode.createSteps(CreateFromTemplateMode.java:108)
    at com.intellij.ide.util.newProjectWizard.modes.WizardMode.getSteps(WizardMode.java:51)
    at com.intellij.ide.util.newProjectWizard.AddModuleWizard.b(AddModuleWizard.java:109)
    at com.intellij.ide.util.newProjectWizard.AddModuleWizard.<init>(AddModuleWizard.java:68)
    at com.intellij.openapi.roots.ui.configuration.ModulesConfigurator.runModuleWizard(ModulesConfigurator.java:440)
    at com.intellij.openapi.roots.ui.configuration.ModulesConfigurator.addModule(ModulesConfigurator.java:365)
    at com.intellij.openapi.roots.ui.configuration.projectRoot.ModuleStructureConfigurable.a(ModuleStructureConfigurable.java:558)
    at com.intellij.openapi.roots.ui.configuration.projectRoot.ModuleStructureConfigurable.access$2600(ModuleStructureConfigurable.java:86)
    at com.intellij.openapi.roots.ui.configuration.projectRoot.ModuleStructureConfigurable$AddModuleAction.actionPerformed(ModuleStructureConfigurable.java:989)
    at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep$1.run(PopupFactoryImpl.java:733)
    at com.intellij.ui.popup.AbstractPopup$18.run(AbstractPopup.java:1258)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.a(FocusManagerImpl.java:641)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.g(FocusManagerImpl.java:622)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.e(FocusManagerImpl.java:592)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.access$200(FocusManagerImpl.java:59)
    at com.intellij.openapi.wm.impl.FocusManagerImpl$IdleRunnable.runEdt(FocusManagerImpl.java:107)
    at com.intellij.openapi.util.EdtRunnable$1.run(EdtRunnable.java:28)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:715)
    at java.awt.EventQueue.access$400(EventQueue.java:82)
    at java.awt.EventQueue$2.run(EventQueue.java:676)
    at java.awt.EventQueue$2.run(EventQueue.java:674)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:685)
    at com.intellij.ide.IdeEventQueue.e(IdeEventQueue.java:697)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:524)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:335)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:205)
    at java.awt.Dialog$1.run(Dialog.java:1049)
    at java.awt.Dialog$3.run(Dialog.java:1101)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.Dialog.show(Dialog.java:1099)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:786)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:462)
    at com.intellij.openapi.ui.DialogWrapper.showAndGetOk(DialogWrapper.java:1543)
    at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1511)
    at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:263)
    at com.intellij.ide.actions.ShowSettingsUtilImpl.editConfigurable(ShowSettingsUtilImpl.java:233)
    at com.intellij.openapi.roots.ui.configuration.ModulesConfigurator.showDialog(ModulesConfigurator.java:556)
    at com.intellij.openapi.roots.ui.configuration.IdeaProjectSettingsService.openModuleSettings(IdeaProjectSettingsService.java:84)
    at com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode.navigate(PsiDirectoryNode.java:230)
    at com.intellij.util.OpenSourceUtil.navigate(OpenSourceUtil.java:53)
    at com.intellij.ide.actions.BaseNavigateToSourceAction.actionPerformed(BaseNavigateToSourceAction.java:34)
    at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$3.performAction(IdeKeyEventDispatcher.java:564)
    at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:611)
    at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.d(IdeKeyEventDispatcher.java:463)
    at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:206)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:493)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:335)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)