how to fix this? I have updated today the Confluence Questions and it may have caused this
2018-02-26 18:07:33,849 ERROR [Caesium-1-4] [scheduler.caesium.impl.CaesiumSchedulerService] executeClusteredJobWithRecoveryGuard Unhandled exception during the attempt to execute job 'reminderTrigger'; will attempt recovery in 60 seconds
com.atlassian.scheduler.SchedulerRuntimeException: The parameters cannot be accessed: com.atlassian.scheduler.core.JobRunnerNotRegisteredException: No job runner registered for job runner key 'com.atlassian.confluence.extra.team-calendars:reminderJob'
at com.atlassian.scheduler.core.status.UnusableJobDetails.getParameters(UnusableJobDetails.java:48)
at com.atlassian.scheduler.core.status.LazyJobDetails.getParameters(LazyJobDetails.java:82)
at com.atlassian.confluence.impl.schedule.caesium.ConfluenceSchedulerService.enqueueJob(ConfluenceSchedulerService.java:136)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeClusteredJob(CaesiumSchedulerService.java:437)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeClusteredJobWithRecoveryGuard(CaesiumSchedulerService.java:462)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeQueuedJob(CaesiumSchedulerService.java:390)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService$1.consume(CaesiumSchedulerService.java:285)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService$1.consume(CaesiumSchedulerService.java:282)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.executeJob(SchedulerQueueWorker.java:65)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.executeNextJob(SchedulerQueueWorker.java:59)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.run(SchedulerQueueWorker.java:34)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.atlassian.scheduler.core.JobRunnerNotRegisteredException: No job runner registered for job runner key 'com.atlassian.confluence.extra.team-calendars:reminderJob'
at com.atlassian.scheduler.core.status.UnusableJobDetails.<init>(UnusableJobDetails.java:34)
at com.atlassian.scheduler.core.status.LazyJobDetails$1.create(LazyJobDetails.java:74)
at com.atlassian.scheduler.core.status.LazyJobDetails$1.create(LazyJobDetails.java:54)
at com.atlassian.util.concurrent.LazyReference$Sync.run(LazyReference.java:325)
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:143)
at com.atlassian.util.concurrent.LazyReference.get(LazyReference.java:112)
at com.atlassian.scheduler.core.status.LazyJobDetails.getDelegate(LazyJobDetails.java:103)
... 11 more
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