Unexpected non-MediaWiki exception encountered, of type "mysqli_sql_exception"
[20b419c3] /wikiGrade1/index.php?oldid=5323&title=%E6%A8%A1%E6%9D%BF%3A%E5%B7%A6%E6%8E%92%E9%80%B1%E6%9C%9F%E8%A1%A8%28%E6%AD%A3%E6%96%87%29 Exception from line 38 of /volume1/web/wikiGrade1/includes/db/DatabaseMysqli.php: Invalid utf8mb3 character string: 'F0A8A7'
Backtrace:
#0 /volume1/web/wikiGrade1/includes/db/DatabaseMysqli.php(38): mysqli->query(string)
#1 /volume1/web/wikiGrade1/includes/db/Database.php(1092): DatabaseMysqli->doQuery(string)
#2 /volume1/web/wikiGrade1/includes/db/Database.php(1590): DatabaseBase->query(string, string)
#3 /volume1/web/wikiGrade1/includes/parser/LinkHolderArray.php(339): DatabaseBase->select(string, array, string, string)
#4 /volume1/web/wikiGrade1/includes/parser/LinkHolderArray.php(261): LinkHolderArray->replaceInternal(string)
#5 /volume1/web/wikiGrade1/includes/parser/Parser.php(5056): LinkHolderArray->replace(string)
#6 /volume1/web/wikiGrade1/includes/parser/Parser.php(413): Parser->replaceLinkHolders(string)
#7 /volume1/web/wikiGrade1/includes/content/WikitextContent.php(322): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#8 /volume1/web/wikiGrade1/includes/WikiPage.php(3614): WikitextContent->getParserOutput(Title, integer, ParserOptions)
#9 /volume1/web/wikiGrade1/includes/poolcounter/PoolCounterWork.php(112): PoolWorkArticleView->doWork()
#10 /volume1/web/wikiGrade1/includes/Article.php(710): PoolCounterWork->execute()
#11 /volume1/web/wikiGrade1/includes/actions/ViewAction.php(44): Article->view()
#12 /volume1/web/wikiGrade1/includes/Wiki.php(428): ViewAction->show()
#13 /volume1/web/wikiGrade1/includes/Wiki.php(292): MediaWiki->performAction(Article, Title)
#14 /volume1/web/wikiGrade1/includes/Wiki.php(588): MediaWiki->performRequest()
#15 /volume1/web/wikiGrade1/includes/Wiki.php(447): MediaWiki->main()
#16 /volume1/web/wikiGrade1/index.php(46): MediaWiki->run()
#17 {main}