"Error occurred while refreshing the cache for directory" due to "Passed List had more than one value"

2014-03-05 06:30:15,246 QuartzScheduler_Worker-1 INFO      [atlassian.crowd.directory.DbCachingRemoteDirectory] failed synchronisation complete for directory [ 10000 ] in [ 12ms ]
2014-03-05 06:30:15,667 QuartzScheduler_Worker-1 ERROR      [atlassian.crowd.directory.DbCachingDirectoryPoller] Error occurred while refreshing the cache for directory [ 10000 ].
java.lang.IllegalArgumentException: Passed List had more than one value.
    at org.ofbiz.core.entity.EntityUtil.getOnly(EntityUtil.java:62)
    at com.atlassian.jira.crowd.embedded.ofbiz.OfBizInternalMembershipDao.isDirectMember(OfBizInternalMembershipDao.java:85)
    at com.atlassian.jira.crowd.embedded.ofbiz.OfBizInternalMembershipDao.isGroupDirectMember(OfBizInternalMembershipDao.java:80)
    at com.atlassian.jira.crowd.embedded.ofbiz.OfBizDelegatingMembershipDao.isGroupDirectMember(OfBizDelegatingMembershipDao.java:70)
    at com.atlassian.crowd.directory.AbstractInternalDirectory.isGroupDirectGroupMember(AbstractInternalDirectory.java:711)
    at com.atlassian.crowd.directory.AbstractInternalDirectory.removeGroupFromGroup(AbstractInternalDirectory.java:768)
    at com.atlassian.crowd.directory.DbCachingRemoteChangeOperations.removeGroupMembershipsForGroup(DbCachingRemoteChangeOperations.java:879)
    at com.atlassian.crowd.directory.DirectoryCacheImplUsingChangeOperations.syncGroupMembersForGroup(DirectoryCacheImplUsingChangeOperations.java:145)
    at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseMemberships(AbstractCacheRefresher.java:149)
    at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:84)
    at com.atlassian.crowd.directory.ldap.cache.UsnChangedCacheRefresher.synchroniseAll(UsnChangedCacheRefresher.java:124)
    at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:644)
    at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:63)
    at com.atlassian.crowd.directory.DbCachingDirectoryPoller.pollChanges(DbCachingDirectoryPoller.java:50)
    at com.atlassian.crowd.manager.directory.monitor.poller.DirectoryPollerJob.execute(DirectoryPollerJob.java:34)
    at org.quartz.core.JobRunShell.run(JobRunShell.java:195)