Mediawiki search prompt "database query error." This may indicate a vulnerability in the software, (bug). "

use a Mediawiki environment built by Aliyun machine, and the page can be accessed normally. However, when you enter a keyword in the search input box in the upper right corner of the home page to search, it prompts "database query error. This may indicate that there is a vulnerability (bug) in the software", as shown in the following figure.

I would like to ask you, how to locate?

Mediawiki

Mar.02,2021

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How can the php website built on Windows take a long time to load on its first visit after a long period of idle time? Is there a solution?
I installed XAMPP, and MediaWiki in Windows. It s slow if you don t have to visit some pages for a long time. Enabling OPcache and APCu is much faster, but the first visit after a long absence is still relatively slow. It s not the first time to open ...

Mediawiki php

Apr.07,2021

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-64f5-1e53642-4d5c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e53642-4d5c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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