Site Import is failing

Import failed. Check your server logs for more information. com.atlassian.scheduler.SchedulerServiceException: Unexpected class: com.atlassian.crowd.manager.directory.SynchronisationMode. For security reason, only these class types are allowed in clustered job parameters: [java.lang.String, boolean, char, byte, double, float, int, long, short, java.lang.Boolean, java.lang.Character, java.lang.Number, java.lang.Byte, java.lang.Double, java.lang.Float, java.lang.Integer, java.lang.Long, java.lang.Short]

2016-01-12 15:45:53.586486500  -- referer: https://smartmediastar.atlassian.net/wiki/admin/import/importconfluencesite.action | url: /wiki/admin/import/doimportconfluencesite.action | traceId: b94c945ce65b8ad3 | userName: sysadmin | action: doimportconfluencesite
2016-01-12 15:45:53.586487500 java.lang.RuntimeException: java.lang.RuntimeException: com.atlassian.scheduler.SchedulerServiceException: Unexpected class: com.atlassian.crowd.manager.directory.SynchronisationMode. For security reason, only these class types are allowed in clustered job parameters: [java.lang.String, boolean, char, byte, double, float, int, long, short, java.lang.Boolean, java.lang.Character, java.lang.Number, java.lang.Byte, java.lang.Double, java.lang.Float, java.lang.Integer, java.lang.Long, java.lang.Short]
2016-01-12 15:45:53.586522500 	at com.atlassian.ondemand.confluenceimporter.service.importer.OnDemandImportLongRunningTask.blowAwayExistingData(OnDemandImportLongRunningTask.java:327)
2016-01-12 15:45:53.586528500 	at com.atlassian.ondemand.confluenceimporter.service.importer.OnDemandImportLongRunningTask.doImport(OnDemandImportLongRunningTask.java:176)
2016-01-12 15:45:53.586529500 	at com.atlassian.ondemand.confluenceimporter.service.importer.OnDemandImportLongRunningTask.runInternal(OnDemandImportLongRunningTask.java:149)
2016-01-12 15:45:53.586533500 	at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:26)
2016-01-12 15:45:53.586533500 	at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:52)
2016-01-12 15:45:53.586534500 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
2016-01-12 15:45:53.586537500 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
2016-01-12 15:45:53.586538500 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
2016-01-12 15:45:53.586538500 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
2016-01-12 15:45:53.586538500 	at java.lang.Thread.run(Thread.java:745)