I am getting a pop up error message that my adobe illustrator file is being used by MacOS so it cannot be opened.

I am getting a pop up error message that my adobe illustrator file is being used by MacOS so it cannot be opened. CAN PLEASE ANYONE HELP ME WITH THIS? I'm a Mac Lover & Adobe Creative Cloud users, I'm struggling very frequently nowadays in many aspects of workflow, i started feeling like sandwich between Apple Mac & Adobe. I'm also attaching a screenshot of my problem. I need Help.