[2020-09-22 08:14:11:302] [SEVERE  ] [              in_1-mix ] StanzaProcessor.processPacket()  : java.lang.NullPointerException when processing from=sess-man@ip-10-0-25-253.us-west-2.compute.internal, to=null, DATA=[iq to="suremixtestj@mix.sure.im" type="get" xmlns="jabber:client" from="joshim@sure.im/425943294-tigase-1113" id="421352F7-5FB4-4313-B6C2-13A4E541C895"][pubsub xmlns="http://jabber.org/protocol/pubsub"][affiliations/][/pubsub][/iq], SIZE=232, XMLNS=jabber:client, PRIORITY=NORMAL, PERMISSION=AUTH, TYPE=get, STABLE_ID=null
java.lang.RuntimeException: java.lang.NullPointerException
	at tigase.pubsub.modules.RetrieveAffiliationsModule.process(RetrieveAffiliationsModule.java:85)
	at tigase.component.modules.StanzaProcessor.process(StanzaProcessor.java:164)
	at tigase.component.modules.StanzaProcessor.processPacket(StanzaProcessor.java:85)
	at tigase.component.AbstractKernelBasedComponent.processPacket(AbstractKernelBasedComponent.java:81)
	at tigase.pubsub.PubSubComponent.processPacket(PubSubComponent.java:191)
	at tigase.pubsub.cluster.PubSubComponentClustered.processPacket(SourceFile:183)
	at tigase.server.AbstractMessageReceiver$QueueListener.run(AbstractMessageReceiver.java:1397)
Caused by: java.lang.NullPointerException
	at tigase.mix.Affiliations.getSubscriberAffiliation(Affiliations.java:161)
	at tigase.mix.model.MixRepository.getUserAffiliations(MixRepository.java:293)
	at tigase.pubsub.repository.cached.CachedPubSubRepository.getUserAffiliations(CachedPubSubRepository.java:450)
	at tigase.pubsub.modules.RetrieveAffiliationsModule.process(RetrieveAffiliationsModule.java:73)
	... 6 more