Special

Internal error

[a70e41e8dd73081911cfadc9] /wiki/Special:Interwiki Error: Call to undefined function wfWikiID()

Backtrace:

from /var/www/html/drupal7/w2/extensions/Interwiki/includes/SpecialInterwiki.php(348)
#0 /var/www/html/drupal7/w2/extensions/Interwiki/includes/SpecialInterwiki.php(54): SpecialInterwiki->showList()
#1 /var/www/html/drupal7/w2/includes/specialpage/SpecialPage.php(701): SpecialInterwiki->execute()
#2 /var/www/html/drupal7/w2/includes/specialpage/SpecialPageFactory.php(1428): SpecialPage->run()
#3 /var/www/html/drupal7/w2/includes/MediaWiki.php(316): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#4 /var/www/html/drupal7/w2/includes/MediaWiki.php(904): MediaWiki->performRequest()
#5 /var/www/html/drupal7/w2/includes/MediaWiki.php(562): MediaWiki->main()
#6 /var/www/html/drupal7/w2/index.php(50): MediaWiki->run()
#7 /var/www/html/drupal7/w2/index.php(46): wfIndexMain()
#8 {main}