Creating / Deleting Firewall Rules causes duplicates or removes multiple rules

[DoomSalamander]

I have a very strange behavior since I have upgraded to 20.1. When I create or delete a rule sometimes it creates 3 duplicates of the same rule or even worse when I delete a rule it deletes a bunch of them. Rules even get removed that are assigned on a different interface! I don't know how this happends. Sometimes it happends nearly every time I create a rule and sometimes it only happends rarely.