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org.xml.sax.SAXParseException: Reference is not allowed in prolog. at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236) at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:215) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:386) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316) at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1438) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(XMLDocumentScannerImpl.java:903) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242) at org.dom4j.io.SAXReader.read(SAXReader.java:420) at org.dom4j.io.SAXReader.read(SAXReader.java:344) at com.embarcadero.uml.core.support.umlsupport.XMLManip.loadXML(XMLManip.java:730) at com.embarcadero.uml.core.support.umlsupport.XMLManip.loadXML(XMLManip.java:702) at com.embarcadero.uml.ui.support.archivesupport.ProductArchiveImpl.createDomDocument(ProductArchiveImpl.java:73) at com.embarcadero.uml.ui.support.archivesupport.ProductArchiveImpl.<init>(ProductArchiveImpl.java:46) at com.embarcadero.uml.ui.swing.drawingarea.ADDrawingAreaControl.saveETLDAndETLPFiles(ADDrawingAreaControl.java:9918) at com.embarcadero.uml.ui.swing.drawingarea.ADDrawingAreaControl.preCommit(ADDrawingAreaControl.java:9830) at com.embarcadero.uml.ui.swing.drawingarea.ADDrawingAreaControl.save(ADDrawingAreaControl.java:7630) at com.embarcadero.uml.ui.controls.drawingarea.UIDiagram.save(UIDiagram.java:101) at com.sun.tools.ide.modeling.drawingarea.UMLDiagramManager.createDiagram(UMLDiagramManager.java:228) at com.sun.tools.ide.modeling.drawingarea.UMLDiagramManager.doNewDiagramDialog(UMLDiagramManager.java:511) at com.sun.tools.ide.modeling.drawingarea.UMLDiagramManager.newDiagramDialog(UMLDiagramManager.java:157) at com.sun.tools.ide.modeling.diagramcreator.DiagCreatorAddIn.guiCreateDiagram(DiagCreatorAddIn.java:825) at com.sun.tools.ide.modeling.diagramcreator.DiagCreatorAddIn.guiCreateDiagramFromElements(DiagCreatorAddIn.java:218) at com.sun.tools.ide.modeling.diagramcreator.DiagramCreatorAction$1.run(DiagramCreatorAction.java:93) at java.lang.Thread.run(Thread.java:595) at com.sun.tools.ide.modeling.diagramcreator.DiagramCreatorAction.performAction(DiagramCreatorAction.java:96) at org.openide.util.actions.NodeAction$3.run(NodeAction.java:450) at org.openide.util.actions.CallableSystemAction$ActionRunnable.actionPerformed(CallableSystemAction.java:247) at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:74) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.openide.util.actions.CallableSystemAction.invokeAction(CallableSystemAction.java:179) at org.openide.util.actions.CallableSystemAction.access$000(CallableSystemAction.java:31) at org.openide.util.actions.CallableSystemAction$ActionRunnable.doRun(CallableSystemAction.java:241) at org.openide.util.actions.CallableSystemAction$2.run(CallableSystemAction.java:111) at org.openide.util.Task.run(Task.java:189) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:721)