Replication not working. Event Viewer errors occurring.System.NullReferenceException.... (260279)

Replication is not working even though correctly configured.  The following error is appearing in the One Identity Password Manager application event log viewer:

Result: CriticalError Info: System.NullReferenceException: Object reference not set to an instance of an object. at QPM.Service.Storages.Replication.DirectoryStorageReplicationEngine.writePackets(IADEntry packetsContainer, IEnumerable`1 packets, IServiceSettings serviceSettings) at QPM.Service.Storages.Replication.DirectoryStorageReplicationEngine.PublishReplica(ReplicaInfo replica, ICancellationToken cancellationToken, ILog log, IServiceSettings serviceSettings) at QPM.Service.ScheduledTasks.TaskStorageReplication.EntryPointBase(ITaskInputParams p, ICancellationToken cancellationToken, ILog log) at QPM.Service.ScheduledTasks.TaskBase.EntryPoint(ITaskInputParams p, ICancellationToken cancellationToken, ILog log) at QPM.Service.Scheduling.SchedulerThread.<>c__DisplayClass26_0.b__0() at System.Threading.Tasks.Task.Execute()

WORKAROUND  

None.

STATUS  

Issue is resolved in Password Manager 5.8.2 and later versions.