After git switches branches, the file modified by the previous branch does not have permission in the new branch?

modify the file in another branch, and then switch to another branch. The modified file in the new branch is put into the cache, and cannot do anything. No matter what you do, you are prompted to submit the change, but the submission prompt has no permission
after switching the branch, the file modified in the previous branch is put into the cache file
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Permission denied
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Mar.08,2021

I also encountered the same problem,

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b316d4-2bd8e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b316d4-2bd8e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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