When performing building structural damage analysis, an error occurs if you click search button in hazard selection that says;

org.dom4j.DocumentException: Error on line 1 of document : Content is not allowed in prolog. Nested exception: Content is not allowed in prolog.
at org.dom4j.io.SAXReader.read(SAXReader.java:350)
at org.dom4j.io.SAXReader.read(SAXReader.java:274)
at ncsa.tools.common.util.XmlUtils.dom4jElementFromFile(XmlUtils.java:483)
at ncsa.tools.common.util.XmlUtils.dom4jElementFromFile(XmlUtils.java:492)
at edu.illinois.ncsa.ergo.gis.datasets.properties.DatasetProperties.<init>(DatasetProperties.java:177)
at edu.illinois.ncsa.ergo.gis.repositories.sam.repositories.SamRepository.listDatasetPropertiesForType(SamRepository.java:186)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider.getElementsSearch(StreamingCatalogContentProvider.java:169)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider$1.execute(StreamingCatalogContentProvider.java:98)
at edu.illinois.ncsa.ergo.gis.jobs.SimpleTaskJob.run(SimpleTaskJob.java:47)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Nested exception:
org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.dom4j.io.SAXReader.read(SAXReader.java:334)
at org.dom4j.io.SAXReader.read(SAXReader.java:274)
at ncsa.tools.common.util.XmlUtils.dom4jElementFromFile(XmlUtils.java:483)
at ncsa.tools.common.util.XmlUtils.dom4jElementFromFile(XmlUtils.java:492)
at edu.illinois.ncsa.ergo.gis.datasets.properties.DatasetProperties.<init>(DatasetProperties.java:177)
at edu.illinois.ncsa.ergo.gis.repositories.sam.repositories.SamRepository.listDatasetPropertiesForType(SamRepository.java:186)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider.getElementsSearch(StreamingCatalogContentProvider.java:169)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider$1.execute(StreamingCatalogContentProvider.java:98)
at edu.illinois.ncsa.ergo.gis.jobs.SimpleTaskJob.run(SimpleTaskJob.java:47)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
1027716 - [ERROR] [edu.illinois.ncsa.ergo.gis.repositories.sam.repositories.SamRepository]: Failed
ncsa.tools.common.eclipse.descriptors.exceptions.UnknownExtensionException: edu.illinois.ncsa.ergo.gis.datasetFactories with tag null not found.
at ncsa.tools.common.eclipse.descriptors.types.BaseDescriptorHelper.createNew(BaseDescriptorHelper.java:210)
at edu.illinois.ncsa.ergo.gis.util.FactoryUtils.getFactoryForDataFormat(FactoryUtils.java:36)
at edu.illinois.ncsa.ergo.gis.repositories.sam.repositories.SamRepository.listDatasetPropertiesForType(SamRepository.java:189)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider.getElementsSearch(StreamingCatalogContentProvider.java:169)
at edu.illinois.ncsa.ergo.core.analysis.ui.gef.providers.StreamingCatalogContentProvider$1.execute(StreamingCatalogContentProvider.java:98)
at edu.illinois.ncsa.ergo.gis.jobs.SimpleTaskJob.run(SimpleTaskJob.java:47)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)