Permission denied is displayed when git merge code? How to solve it

Question

1 When I merge the code, permission denied appears? What is the reason?

2. I tried rolling back the version but it still doesn’t work. How to solve it?

Answer 1

It is recommended that you close all editors or IDEs before using the git merge command. These software may have locked a certain file from external modification.

Answer 2

You have no authority and cannot operate the master. You need to find an administrator to enable it

Answer 3

sudo -s to obtain root permissions and then execute