java.lang.AssertionError
	at org.netbeans.modules.xml.xam.AbstractModelFactory.getModel(AbstractModelFactory.java:108)
	at org.netbeans.modules.xml.schema.model.SchemaModelFactory.getModel(SchemaModelFactory.java:95)
	at org.netbeans.modules.xml.schema.model.impl.IncludeImpl.resolveReferencedModel(IncludeImpl.java:78)
	at org.netbeans.modules.xml.axi.impl.AXIModelImpl.buildReferenceableCache(AXIModelImpl.java:275)
	at org.netbeans.modules.xml.axi.impl.ModelAccessImpl.sync(ModelAccessImpl.java:63)
	at org.netbeans.modules.xml.xam.AbstractModel.sync(AbstractModel.java:237)
	at org.netbeans.modules.xml.axi.impl.AXIModelImpl.sync(AXIModelImpl.java:185)
	at org.netbeans.modules.xml.xam.AbstractModelFactory.getModel(AbstractModelFactory.java:115)
	at org.netbeans.modules.xml.axi.AXIModelFactory.getModel(AXIModelFactory.java:76)
	at org.netbeans.modules.xml.axi.AXIModelFactory.getModel(AXIModelFactory.java:66)
	at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.findAXIElementAtContext(CompletionUtil.java:350)
	at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.getElements(CompletionUtil.java:223)
	at org.netbeans.modules.xml.schema.completion.CompletionQuery.getCompletionItems(CompletionQuery.java:81)
	at org.netbeans.modules.xml.schema.completion.CompletionQuery.query(CompletionQuery.java:57)
	at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:196)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)