When modifying permanent picture and text material, how to add new articles on the original basis?

problem description

official document describes the modification of permanent material, and the operation is to update the picture and text material one by one, but if I add a new article to the original article, then saving it will directly return error 40114, but the meaning of the 40114 error code is not marked in Wechat"s document. So I don"t know how to solve it.

Please ask the friends who have a solution to help with the answer, thank you!

Apr.16,2021
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-64f5-1e4620b-44b80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4620b-44b80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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