内部错误

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[cfc6787fa86dee8ab846387c] /index.php?title=%E6%A8%A1%E6%9D%BF:High-risk/en/sandbox&preload=Template%3ADocumentation%2Fmirror&action=edit&summary=Create+sandbox+version+of+%5B%5B%E6%A8%A1%E6%9D%BF%3AHigh-risk%2Fen%5D%5D Error: Call to undefined method User::getEffectiveGroups()

Backtrace:

from /opt/sites/wiki/LocalSettings.php(229)
#0 /opt/sites/wiki/includes/HookContainer/HookContainer.php(338): BlockEditUsers(OutputPage, Article, Title, User, WebRequest, MediaWiki)
#1 /opt/sites/wiki/includes/HookContainer/HookContainer.php(137): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#2 /opt/sites/wiki/includes/HookContainer/HookRunner.php(2527): MediaWiki\HookContainer\HookContainer->run(string, array)
#3 /opt/sites/wiki/includes/MediaWiki.php(507): MediaWiki\HookContainer\HookRunner->onMediaWikiPerformAction(OutputPage, Article, Title, User, WebRequest, MediaWiki)
#4 /opt/sites/wiki/includes/MediaWiki.php(322): MediaWiki->performAction(Article, Title)
#5 /opt/sites/wiki/includes/MediaWiki.php(904): MediaWiki->performRequest()
#6 /opt/sites/wiki/includes/MediaWiki.php(562): MediaWiki->main()
#7 /opt/sites/wiki/index.php(50): MediaWiki->run()
#8 /opt/sites/wiki/index.php(46): wfIndexMain()
#9 {main}