Ravenous Swarm + Unearth messes with active skill bar

3 summons + Unearth + Withering Presence: every active skill is being displayed.


Additionally Ravenous Presence active: when using Unearth it will overwrite the 1st icon in the active skill bar.


When I move to another area every active skill icon except 1 will be removed:


That bug is active until I relog + deactivate Ravenous Swarm.