Wait, that was not solved right? The offset still happens expecially when there are no enemies to block the cursor tracing. The camera ‘tilt’ causes this ‘‘offset’’ (the cursor trace appears to be higher then the mouse in X)
Try to offset the Actor Location In X before connecting to the find look at. This will make up for the camera ‘tilt’. You can try to offset the trace from the cursor to match the camera tilt as well, but it is easier to add or subtract from the character.
I had this issue recently and found no solution researching. Hope this helps someone.