程序报错，求圣人

Internal error: (org.jdom.input.JDOMParseException) Error on line 60: The content of elements must consist of well-formed character data or markup.
org.jdom.input.JDOMParseException: Error on line 60: The content of elements must consist of well-formed character data or markup.
	at org.jdom.input.SAXBuilder.build(SAXBuilder.java:504)
	at org.jdom.input.SAXBuilder.build(SAXBuilder.java:888)
	at com.intellij.openapi.util.JDOMUtil.loadDocument(JDOMUtil.java:374)
	at com.intellij.openapi.util.JDOMUtil.loadDocument(JDOMUtil.java:352)
	at org.jetbrains.jps.model.serialization.JpsLoaderBase.loadRootElement(JpsLoaderBase.java:66)
	at org.jetbrains.jps.model.serialization.JpsLoaderBase.loadRootElement(JpsLoaderBase.java:39)
	at org.jetbrains.jps.model.serialization.JpsProjectLoader.a(JpsProjectLoader.java:116)
	at org.jetbrains.jps.model.serialization.JpsProjectLoader.loadProject(JpsProjectLoader.java:98)
	at org.jetbrains.jps.model.serialization.impl.JpsSerializationManagerImpl.loadModel(JpsSerializationManagerImpl.java:41)
	at org.jetbrains.jps.cmdline.JpsModelLoaderImpl.loadModel(JpsModelLoaderImpl.java:45)
	at org.jetbrains.jps.cmdline.BuildRunner.load(BuildRunner.java:71)
	at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:196)
	at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:112)
	at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler$1.run(BuildMain.java:132)
	at org.jetbrains.jps.service.impl.SharedThreadPoolImpl$1.run(SharedThreadPoolImpl.java:41)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.xml.sax.SAXParseException: The content of elements must consist of well-formed character data or markup.
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.startOfMarkup(Unknown Source)