Can' t delete keyframe

Help! I can’ t delete keyframe on pose mode with all selected and even on dope sheets
Version: v3.3.5 LTS

move your timeline exactly where your keyframe is and try to do the same

Tried , still the same ,I can’ t even undo with that
image

May you share your blend and I’ll take a look into it?

Its a project from the company, I 'm sorry i can’t show that

Try this one advice:

https://www.reddit.com/r/blender/comments/db9jdg/please_please_help_me_cannot_delete_keyframes_and/

still can t figured it out , but thanks for your help

Just take a look at that thread and read what it says in there.

I figured it out ! Its a linked objects,All I need to do is break a link on action