내부 오류

[9d3944e7259df053dd2aac70] /w/index.php?title=%EC%A0%95%EC%A0%95%EC%88%98&diff=55705&oldid=3954&mobileaction=toggle_view_mobile Error from line 1683 of /home/footballk/public_html/w/includes/diff/DifferenceEngine.php: Call to a member function getUser() on null

Backtrace:

#0 /home/footballk/public_html/w/includes/diff/DifferenceEngine.php(1155): DifferenceEngine->getMultiNotice()
#1 /home/footballk/public_html/w/includes/diff/DifferenceEngine.php(1112): DifferenceEngine->getDiff()
#2 /home/footballk/public_html/w/includes/diff/DifferenceEngine.php(876): DifferenceEngine->showDiff()
#3 /home/footballk/public_html/w/includes/page/Article.php(980): DifferenceEngine->showDiffPage()
#4 /home/footballk/public_html/w/includes/page/Article.php(656): Article->showDiffPage()
#5 /home/footballk/public_html/w/includes/actions/ViewAction.php(80): Article->view()
#6 /home/footballk/public_html/w/includes/MediaWiki.php(531): ViewAction->show()
#7 /home/footballk/public_html/w/includes/MediaWiki.php(313): MediaWiki->performAction()
#8 /home/footballk/public_html/w/includes/MediaWiki.php(947): MediaWiki->performRequest()
#9 /home/footballk/public_html/w/includes/MediaWiki.php(547): MediaWiki->main()
#10 /home/footballk/public_html/w/index.php(53): MediaWiki->run()
#11 /home/footballk/public_html/w/index.php(46): wfIndexMain()
#12 {main}