Record Sync : Unable to Sync due to system issue

Do you see anything in the logs?

We have event log configuration along with write to record. In the log also similar information and no much information. 

It is occurring randomly. Once in 3 process facing the error. It is not happening all the time. 

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2023-09-06 18:06:48,477 [Appian Work Item - 112077 - WorkID 823 - execution01 - process 268576143 - model 15221 : UnattendedJavaActivityRequest] ERROR com.appiancorp.process.engine.UnattendedJavaActivityRequest - An error occurred while executing activity: id=268473646, classname=com.appiancorp.process.runtime.activities.WriteRecordsWithEventsActivity
com.appiancorp.suiteapi.process.framework.ActivityExecutionException: The records could not be updated because the specified record type has not been synced or its existing synced data has been invalidated.
at com.appiancorp.process.runtime.activities.WriteRecordsWithEventsActivity.handleValidationErrors(WriteRecordsWithEventsActivity.java:215)
at com.appiancorp.process.runtime.activities.WriteRecordsWithEventsActivity.execute(WriteRecordsWithEventsActivity.java:111)
at com.appiancorp.suiteapi.process.framework.AbstractActivity.perform(AbstractActivity.java:104)
at com.appiancorp.process.runtime.framework.LegacyActivityExecutor$2.call(LegacyActivityExecutor.java:90)
at com.appiancorp.process.runtime.framework.LegacyActivityExecutor$2.call(LegacyActivityExecutor.java:87)
at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:23)
at com.appiancorp.process.runtime.framework.LegacyActivityExecutor.execute(LegacyActivityExecutor.java:87)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:22)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:241)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
Caused by: com.appiancorp.record.service.error.RecordMutationValidationException: com.appiancorp.suiteapi.common.exceptions.AppianException: The records could not be updated because the specified record type has not been synced or its existing synced data has been invalidated. (APNX-1-4564-006)
at com.appiancorp.record.service.mutate.RecordMutationActivityValidatorImpl.validateRecordTypes(RecordMutationActivityValidatorImpl.java:166)
at com.appiancorp.record.service.mutate.RecordMutationActivityValidatorImpl.validateRecordMapInputs(RecordMutationActivityValidatorImpl.java:60)
at com.appian

Did you check if any failure while updating the records in this record type either via write to data store by any instance due to any limit of record sync?

This is the error for the Write Records. But what do the logs say when you try to run the sync?

This is the error for the Write Records. But what do the logs say when you try to run the sync?