Error converting XML to workflow descriptor.: root cause: The entity name must immediately follow the '&' in the entity reference.

An error occurred performing JIRA upgrade task
2014-03-05 18:08:39	error	
Exception thrown during upgrade: java.lang.RuntimeException: com.opensymphony.workflow.FactoryException: Error converting XML to workflow descriptor.: root cause: The entity name must immediately follow the '&' in the entity reference. (line:155 col:67)
com.atlassian.cache.CacheException: java.lang.RuntimeException: com.opensymphony.workflow.FactoryException: Error converting XML to workflow descriptor.: root cause: The entity name must immediately follow the '&' in the entity reference. (line:155 col:67)
	at com.atlassian.cache.memory.DelegatingCache.get(DelegatingCache.java:67)
	at com.atlassian.jira.workflow.CachingWorkflowDescriptorStore.getWorkflow(CachingWorkflowDescriptorStore.java:67)
	at com.atlassian.jira.workflow.JiraWorkflowFactory.getWorkflow(JiraWorkflowFactory.java:37)
	at com.opensymphony.workflow.config.DefaultConfiguration.getWorkflow(DefaultConfiguration.java:89)
	at com.atlassian.jira.workflow.OSWorkflowManager.getWorkflow(OSWorkflowManager.java:197)
	at com.atlassian.jira.workflow.OSWorkflowManager.getWorkflows(OSWorkflowManager.java:116)
	at com.atlassian.jira.upgrade.tasks.UpgradeTask_Build6206.doUpgrade(UpgradeTask_Build6206.java:96)
	at com.atlassian.jira.upgrade.UpgradeManagerImpl.doUpgradeTaskSuccess(UpgradeManagerImpl.java:685)
	at com.atlassian.jira.upgrade.UpgradeManagerImpl.runUpgradeTasks(UpgradeManagerImpl.java:534)
	at com.atlassian.jira.upgrade.UpgradeManagerImpl.doUpgrade(UpgradeManagerImpl.java:463)
	at com.atlassian.jira.upgrade.UpgradeManagerImpl.doUpgradeIfNeeded(UpgradeManagerImpl.java:405)
	at com.atlassian.jira.upgrade.UpgradeManagerImpl.doUpgradeIfNeededAndAllowed(UpgradeManagerImpl.java:340)
	at com.atlassian.jira.bc.dataimport.DefaultDataImportService.upgradeJira(DefaultDataImportService.java:845)
	at com.atlassian.jira.bc.dataimport.DefaultDataImportService.performImport(DefaultDataImportService.java:731)
	at com.atlassian.jira.bc.dataimport.DefaultDataImportService.doImport(DefaultDataImportService.java:300)
	at com.atlassian.jira.web.action.setup.DataImportAsyncCommand.call(DataImportAsyncCommand.java:66)
	at com.atlassian.jira.web.action.setup.DataImportAsyncCommand.call(DataImportAsyncCommand.java:29)
	at com.atlassian.jira.task.ImportTaskManagerImpl$TaskCallableDecorator.call(ImportTaskManagerImpl.java:179)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	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.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: com.opensymphony.workflow.FactoryException: Error converting XML to workflow descriptor.: root cause: The entity name must immediately follow the '&' in the entity reference. (line:155 col:67)
	at com.atlassian.jira.workflow.CachingWorkflowDescriptorStore$WorkflowCacheLoader.load(CachingWorkflowDescriptorStore.java:142)
	at com.atlassian.jira.workflow.CachingWorkflowDescriptorStore$WorkflowCacheLoader.load(CachingWorkflowDescriptorStore.java:131)
	at com.atlassian.cache.memory.MemoryCacheManager$3$1.apply(MemoryCacheManager.java:104)
	at com.google.common.collect.ComputingConcurrentHashMap$ComputingValueReference.compute(ComputingConcurrentHashMap.java:355)
	at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.compute(ComputingConcurrentHashMap.java:184)
	at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.getOrCompute(ComputingConcurrentHashMap.java:153)
	at com.google.common.collect.ComputingConcurrentHashMap.getOrCompute(ComputingConcurrentHashMap.java:69)
	at com.google.common.collect.ComputingConcurrentHashMap$ComputingMapAdapter.get(ComputingConcurrentHashMap.java:393)
	at com.atlassian.cache.memory.DelegatingCache.get(DelegatingCache.java:63)
	... 25 more
Caused by: com.opensymphony.workflow.FactoryException: Error converting XML to workflow descriptor.: root cause: The entity name must immediately follow the '&' in the entity reference. (line:155 col:67)
	at com.atlassian.jira.workflow.WorkflowUtil.convertXMLtoWorkflowDescriptor(WorkflowUtil.java:397)
	at com.atlassian.jira.workflow.OfBizWorkflowDescriptorStore.convertGVToDescriptor(OfBizWorkflowDescriptorStore.java:170)
	at com.atlassian.jira.workflow.OfBizWorkflowDescriptorStore.getWorkflow(OfBizWorkflowDescriptorStore.java:49)
	at com.atlassian.jira.workflow.CachingWorkflowDescriptorStore$WorkflowCacheLoader.load(CachingWorkflowDescriptorStore.java:138)
	... 33 more
Caused by: org.xml.sax.SAXException: The entity name must immediately follow the '&' in the entity reference. (line:155 col:67)
	at com.opensymphony.workflow.loader.WorkflowLoader$WorkflowErrorHandler.fatalError(WorkflowLoader.java:125)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLScanner.scanAttributeValue(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanAttribute(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
	at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
	at com.opensymphony.workflow.loader.WorkflowLoader.load(WorkflowLoader.java:75)
	at com.opensymphony.workflow.loader.WorkflowLoader.load(WorkflowLoader.java:47)
	at com.atlassian.jira.workflow.WorkflowUtil.convertXMLtoWorkflowDescriptor(WorkflowUtil.java:393)
	... 36 more