java.lang.AssertionError
        at org.netbeans.modules.php.editor.model.Model.getModelVisitor(Model.java:91)
        at org.netbeans.modules.php.editor.model.Model.getOccurencesSupport(Model.java:70)
        at org.netbeans.modules.php.editor.nav.DeclarationFinderImpl.findDeclarationImpl(DeclarationFinderImpl.java:101)
        at org.netbeans.modules.php.editor.nav.DeclarationFinderImpl.findDeclaration(DeclarationFinderImpl.java:70)
        at org.netbeans.modules.csl.editor.hyperlink.GoToSupport$1.run(GoToSupport.java:152)
        at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:129)
        at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:113)
        at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:189)
        at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:99)
        at org.netbeans.modules.csl.editor.hyperlink.GoToSupport.perform(GoToSupport.java:130)
        at org.netbeans.modules.csl.editor.hyperlink.GoToSupport.performGoTo(GoToSupport.java:102)
        at org.netbeans.modules.csl.editor.hyperlink.GsfHyperlinkProvider.performClickAction(GsfHyperlinkProvider.java:78)
        at org.netbeans.lib.editor.hyperlink.HyperlinkOperation.performAction(HyperlinkOperation.java:262)
        at org.netbeans.lib.editor.hyperlink.HyperlinkOperation.mouseClicked(HyperlinkOperation.java:406)
        at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:212)
        at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:211)
        at java.awt.Component.processMouseEvent(Component.java:5520)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5282)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3901)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:117)
        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)