What does this prompt mean when debugging PHPstorm?

Debug session was finished without being paused
It may be caused by path mappings misconfiguration or not synchronized local and remote projects.

To figure out the problem check path mappings configuration for "tp51.localweb.cn" server at PHP | Servers or enable Break at first line in PHP scripts option

there is this bubble prompt in the lower right corner.
but my file innuendo is normal, and both "Break at first line in PHP scripts"" are turned off.
mine is local debugging.
instruct students who understand

Mar.03,2021

clipboard.png
set this mappings

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