I tried the post by amanjeetarora, but it did not work for my MacBook Pro (Retina, 15-inch, Late 2013, the sudden shutdown started with big sur update Apple must fix this.
Ashrafhalawani
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Riyadh, Saudi Arabia
Post
Replies
Boosts
Views
Activity
I have the same Mac pro and the same problem, i took it to Apple dealer and he told me its the problem for all similar users
Did anyone fix it ?