Mini Program sets nickname to appear 91003 invalid change stat

all the documents on Wechat platform have been checked, and no specific information about this error has been found.
does anyone know?

May.06,2021

has not been encountered, so it is literally invalid? The nickname doesn't meet the requirements, right?

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-64f5-1ea9632-1f55.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea9632-1f55.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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