AnimationEvent triggers twice

Hello all,
I have a problem with my 2D Project. I have a animation clip that simply moves a “popup” in. This triggers directly after entry.
I placed the same clip with -1 speed to move it out. A button triggers once the “MoveOut” clip and the object moves out.

62862-animation.png

At frame 2 is the event that triggers when the object has been moved out. It should only trigger once but it triggers twice at the exact same time:

DEBUG:
animationEventTime: 9.330082
animationEventTime: 9.330082

62863-anim2.png

I found some topics about that already posted but I was not able to find the solution for that. So I decided to open a new one because all other topics where older. Can anyone help me?
Thank you very much

Check if you have only one AnimatorController attached to the game object or spawned on scece.

I had the same problem. Fixed by deleting a duplicate script attached to the Object with the Animator. 2 scripts were both executing the same Event.