Thank you! That is right... It was my fault by posting the wrong code of mine. I used to modify the event itself, which isn't the right way since they are immuteable, and getting the same error.
But with retract($request) it is working properly ;) -- View this message in context: http://drools.46999.n3.nabble.com/Event-and-Facts-Problem-tp4024622p4024698.html Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users