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[ZflAFzqauqdTHXm6p-UZjgAAAB8] /Special:Book Error: Call to undefined method User::isLoggedIn()
Backtrace:
from /home/chalochatu/public_html/extensions/Collection/templates/CollectionPageTemplate.php(212)
#0 /home/chalochatu/public_html/includes/skins/QuickTemplate.php(214): CollectionPageTemplate->execute()
#1 /home/chalochatu/public_html/includes/OutputPage.php(2242): QuickTemplate->getHTML()
#2 /home/chalochatu/public_html/extensions/Collection/includes/Specials/SpecialCollection.php(552): OutputPage->addTemplate()
#3 /home/chalochatu/public_html/extensions/Collection/includes/Specials/SpecialCollection.php(300): SpecialCollection->renderSpecialPage()
#4 /home/chalochatu/public_html/includes/specialpage/SpecialPage.php(701): SpecialCollection->execute()
#5 /home/chalochatu/public_html/includes/specialpage/SpecialPageFactory.php(1428): SpecialPage->run()
#6 /home/chalochatu/public_html/includes/MediaWiki.php(316): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#7 /home/chalochatu/public_html/includes/MediaWiki.php(904): MediaWiki->performRequest()
#8 /home/chalochatu/public_html/includes/MediaWiki.php(562): MediaWiki->main()
#9 /home/chalochatu/public_html/index.php(50): MediaWiki->run()
#10 /home/chalochatu/public_html/index.php(46): wfIndexMain()
#11 {main}