System.ChangedBy is not a persistable association

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When we try to open the application then below error is getting logged in the console Can anyone shed some light onto this by providing some detailed insight? Error: An error has occurred while handling the request. [User 'Anonymous_d5008164-da81-45e3-920c-3aa49ffac812' with roles 'Anonymous'] -------- com.mendix.core.CoreRuntimeException: com.mendix.core.CoreRuntimeException: Exception occurred in action '{"ids":[{"guid":28710447624529750,"entityId":102,"objectTypeHash":102,"objectType":"System.User"}],"type":"RetrieveIdAction"}', all database changes executed by this action were rolled back at hC.b(SourceFile:194) Caused by: com.mendix.core.CoreRuntimeException: Exception occurred in action '{"ids":[{"guid":28710447624529750,"entityId":102,"objectTypeHash":102,"objectType":"System.User"}],"type":"RetrieveIdAction"}', all database changes executed by this action were rolled back at com.mendix.core.actionmanagement.CoreAction.c(SourceFile:515) Caused by: n: An exception has occurred for the following request(s): fq: Object types: [System.User] at x.a(SourceFile:57) Caused by: com.mendix.core.CoreRuntimeException: 'System.changedBy' is not a persistable association at r.b(SourceFile:59) at q.a(SourceFile) at dJ.a(SourceFile:253) at dJ.a(SourceFile:143) at dA.a(SourceFile:89) at dE.a(SourceFile:68) at x.a(SourceFile:43) at h.a(SourceFile:269) at hy.a(SourceFile:31) at ho.a(SourceFile:15) at ho.a(SourceFile:51) at ho$g.a(SourceFile:42) at ho$g.apply(SourceFile:42) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233) at scala.collection.immutable.Map$Map1.foreach(Map.scala:119) at scala.collection.TraversableLike$class.map(TraversableLike.scala:233) at scala.collection.immutable.Map$Map1.map(Map.scala:107) at ho.i(SourceFile:42) at ho.executeAction(SourceFile:15) at com.mendix.systemwideinterfaces.core.UserAction.execute(SourceFile:57) at com.mendix.core.actionmanagement.CoreAction.call(SourceFile:457) at hC.b(SourceFile:183) at com.mendix.core.Core.retrieveIdList(SourceFile:918) at gC.execute(SourceFile:152) at iW.a(SourceFile:304) at com.mendix.externalinterface.connector.RequestDispatching$Worker.a(SourceFile:148) at com.mendix.externalinterface.connector.RequestDispatching$Worker$a.a(SourceFile:140) at com.mendix.externalinterface.connector.RequestDispatching$Worker$a.apply(SourceFile:138) at akka.actor.Actor$class.apply(Actor.scala:545) at com.mendix.externalinterface.connector.RequestDispatching$Worker.apply(SourceFile:134) at akka.actor.LocalActorRef.invoke(ActorRef.scala:910) at akka.dispatch.MessageInvocation.invoke(MessageHandling.scala:25) at akka.dispatch.ExecutableMailbox$class.processMailbox(ExecutorBasedEventDrivenDispatcher.scala:223) at akka.dispatch.ExecutorBasedEventDrivenDispatcher$$anon$4.processMailbox(ExecutorBasedEventDrivenDispatcher.scala:123) at akka.dispatch.ExecutableMailbox$class.run(ExecutorBasedEventDrivenDispatcher.scala:195) at akka.dispatch.ExecutorBasedEventDrivenDispatcher$$anon$4.run(ExecutorBasedEventDrivenDispatcher.scala:123) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) at akka.dispatch.MonitorableThread.run(ThreadPoolBuilder.scala:192)
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1 answers
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Could it be that the anonymous user changed the object? Because the changed by feature registers only non anonymous users. So it would not know which user changed the object because it is anonymous.

Regards,

Ronald

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