How can there be such a merge conflict?

when local branch A pulls remote branch B, a merge conflict occurs in the following format:

<<<<<<<HEAD
=======
  XXXXXXXXXX()
  XXXXXXXXXX
  XXXXXXXXXX
>>>>>>>d0s786vdss
There is no code between the

HEAD and the equal string, so how can there be a conflict between the merge and the remote after the merge? I"ve met many times.

Git
Aug.24,2021

there may be spaces


spaces caused by inconsistent compilation systems

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-64f5-1b2bdd5-2b318.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2bdd5-2b318.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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