Mp4 playback shows "failed to render the following Pin". Is there any way to fix it?

mp4 playback shows "failed to render the following Pin". Is there any way to fix it?
you can"t use potplayer or other players. The error is as follows:

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Mp4
Sep.23,2021
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-64f5-1eaac47-46a82.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eaac47-46a82.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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