Stack Overflow in catalin.out running 11.6.1

#1

I found this message in my catalina.out. It seems that this errror slows down the rendering when it occurs.
Is there something I can do to avoid this ?

2019-08-13 14:08:33,452 [Notification event executor: count : 4true/20xwiki:XWiki.barmeier///////21//////8projekte/true : 8] ERROR .r.i.NotificationEventExecutor - Failed to retrieve notifications for cache key [4true/20xwiki:XWiki.barmeier///////21//////8projekte/true] 
java.lang.StackOverflowError: null
	at antlr.TokenBuffer.LA(TokenBuffer.java:80)
	at antlr.LLkParser.LA(LLkParser.java:52)
	at org.hibernate.hql.internal.ast.HqlParser.handlePrimaryExpressionDotIdent(HqlParser.java:390)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.atom(HqlBaseParser.java:3548)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.unaryExpression(HqlBaseParser.java:3401)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.multiplyExpression(HqlBaseParser.java:3273)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.additiveExpression(HqlBaseParser.java:2930)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.concatenation(HqlBaseParser.java:615)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.relationalExpression(HqlBaseParser.java:2697)
	at org.hibernate.hql.internal.antlr.HqlBaseParser.equalityExpression(HqlBaseParser.java:2558)
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