Cannot slide wave along region using OPT/COMMAND

I have a cymbal wave inserted into a track. i want to slide to remove the lower volume section at the beginning.
I hold down OPT/CMD and i get the little icon showing in the region < x >,
When i drag my mouse left or right, the wave does not move.
any ideas ?


Is there any signal in the left and right side behind the Audio Event borders, please?

i tried it again on a project (from a course) and it worked. I don’t remember which wave file i tried it on where it failed. I’m not sure what your reply means though. Maybe you can look at the wav where it worked. Can you guess what I may have done which my other wave file ?
l’m not sure what you meant by ‘behind’ the event borders…