[2020-01-27 02:17:04:142] [WARNING ] [urn:ietf:params:xml:ns:xmpp-sasl-proc-2 ] SaslAuth.process(): Problem with SASL
java.lang.RuntimeException: tigase.util.stringprep.TigaseStringprepException: Illegal characters in string, domain = tigase.im@tigase.im
	at tigase.auth.impl.PlainCallbackHandler.handleAuthorizationIdCallback(PlainCallbackHandler.java:177)
	at tigase.auth.impl.PlainCallbackHandler.handleCallback(PlainCallbackHandler.java:115)
	at tigase.auth.impl.PlainCallbackHandler.handle(PlainCallbackHandler.java:65)
	at tigase.auth.mechanisms.AbstractSasl.handleCallbacks(AbstractSasl.java:72)
	at tigase.auth.mechanisms.SaslPLAIN.evaluateResponse(SaslPLAIN.java:80)
	at tigase.xmpp.impl.SaslAuth.process(SaslAuth.java:196)
	at tigase.server.xmppsession.SessionManager$ProcessorWorkerThread.process(SessionManager.java:2632)
	at tigase.util.processing.WorkerThread.run(WorkerThread.java:67)
Caused by: tigase.util.stringprep.TigaseStringprepException: Illegal characters in string, domain = tigase.im@tigase.im
	at tigase.util.stringprep.XMPPStringPrepSimple.nameprep(XMPPStringPrepSimple.java:38)
	at tigase.xmpp.jid.BareJID.bareJIDInstance(BareJID.java:101)
	at tigase.xmpp.jid.BareJID.bareJIDInstance(BareJID.java:74)
	at tigase.auth.impl.PlainCallbackHandler.handleAuthorizationIdCallback(PlainCallbackHandler.java:175)
	... 7 more