Getting error while starting jetty "ERROR Processing events failed:"

Hello Guys,

If i disable auto export i couldn’t see this error, if i enable i could see.

When i start the server am getting this error but am able to login to CMS and working fine.
we are using CMS 14 version

I am getting below error.

Changes to repository path ‘/’ will be exported to directory ‘repository-data/application’

[ INFO ] [talledLocalContainer] 12:23:03 INFO Changes to repository path ‘/hst:MobileAppCMS’ will be exported to directory ‘repository-data/site’

[ INFO ] [talledLocalContainer] 12:23:03 INFO Module at ‘repository-data/development’ registered to update existing definitions via auto-export without mapping to a repository path

[ INFO ] [talledLocalContainer] 12:23:03 INFO Module at ‘repository-data/site-development’ registered to update existing definitions via auto-export without mapping to a repository path

[ INFO ] [talledLocalContainer] 12:23:03 INFO autoexport service enabled

[ INFO ] [talledLocalContainer] 12:23:03 INFO autoexport is processing changes…

[ INFO ] [talledLocalContainer] 12:23:04 ERROR Processing events failed:

[ INFO ] [talledLocalContainer] java.lang.ArrayIndexOutOfBoundsException: -1

[ INFO ] [talledLocalContainer] at java.util.ArrayList.elementData(ArrayList.java:422) ~[?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.ArrayList.get(ArrayList.java:435) ~[?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.Collections$UnmodifiableList.get(Collections.java:1309) ~[?:1.8.0_191]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.DefinitionMergeService.mergePropertyThatShouldExist(DefinitionMergeService.java:1742) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.DefinitionMergeService.mergeProperty(DefinitionMergeService.java:1696) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.DefinitionMergeService.mergeConfigDefinitionNode(DefinitionMergeService.java:888) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.DefinitionMergeService.mergeChangesToModules(DefinitionMergeService.java:270) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.EventJournalProcessor.exportChangesModule(EventJournalProcessor.java:587) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.EventJournalProcessor.processEvents(EventJournalProcessor.java:364) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.EventJournalProcessor.tryProcessEvents(EventJournalProcessor.java:251) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at org.onehippo.cm.engine.autoexport.EventJournalProcessor.lambda$new$0(EventJournalProcessor.java:125) ~[hippo-repository-engine-14.1.0.jar:14.1.0]

[ INFO ] [talledLocalContainer] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]

[ INFO ] [talledLocalContainer] 12:23:05 INFO autoexport is processing changes…

[ INFO ] [talledLocalContainer] 12:23:05 ERROR Processing events failed:

[ INFO ] [talledLocalContainer] java.lang.ArrayIndexOutOfBoundsException: null

[ INFO ] [talledLocalContainer] 12:23:05 INFO autoexport is processing changes…

thanks & regards
Ganesh