eos-akka triggers NPE when stopping

2021-07-25T07:14:58,648 | ERROR | opendaylight-cluster-data-akka.actor.default-dispatcher-27 | SupervisorStrategy               | 204 - org.opendaylight.controller.repackaged-akka - 4.0.0 | null
java.lang.NullPointerException: null
	at akka.actor.typed.internal.adapter.ActorContextAdapter.stop(ActorContextAdapter.scala:81) ~[bundleFile:?]
	at org.opendaylight.controller.eos.akka.registry.listener.type.EntityTypeListenerRegistry.onUnregisterListener(EntityTypeListenerRegistry.java:68) ~[bundleFile:?]
	at akka.actor.typed.javadsl.BuiltReceive.receive(ReceiveBuilder.scala:213) ~[bundleFile:?]
	at akka.actor.typed.javadsl.BuiltReceive.receiveMessage(ReceiveBuilder.scala:204) ~[bundleFile:?]
	at akka.actor.typed.javadsl.Receive.receive(Receive.scala:53) ~[bundleFile:?]
	at akka.actor.typed.javadsl.AbstractBehavior.receive(AbstractBehavior.scala:64) ~[bundleFile:?]
	at akka.actor.typed.Behavior$.interpret(Behavior.scala:274) ~[bundleFile:?]
	at akka.actor.typed.Behavior$.interpretMessage(Behavior.scala:230) ~[bundleFile:?]
	at akka.actor.typed.internal.adapter.ActorAdapter.handleMessage(ActorAdapter.scala:130) ~[bundleFile:?]
	at akka.actor.typed.internal.adapter.ActorAdapter.aroundReceive(ActorAdapter.scala:106) ~[bundleFile:?]
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:577) [bundleFile:?]
	at akka.actor.ActorCell.invoke(ActorCell.scala:547) [bundleFile:?]
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270) [bundleFile:?]
	at akka.dispatch.Mailbox.run(Mailbox.scala:231) [bundleFile:?]
	at akka.dispatch.Mailbox.exec(Mailbox.scala:243) [bundleFile:?]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) [?:?]
	at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) [?:?]
	at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) [?:?]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) [?:?]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?]