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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.(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)