```[error] [452fbe9c] /wiki/Special:Version?uselang=en ErrorException from line 36 of /vagrant/mediawiki/extensions/AdManager/AdManager.hooks.ph
p: PHP Warning: Invalid argument supplied for foreach()
#0 /vagrant/mediawiki/includes/Hooks.php(253): MWExceptionHandler::handleError(integer, string, string, integer, array, array)
#1 /vagrant/mediawiki/extensions/AdManager/AdManager.hooks.php(36): Hooks::hookErrorHandler(integer, string, string, integer, array, array)
#2 /vagrant/mediawiki/includes/Hooks.php(204): AdManagerHooks::SkinBuildSidebar(SkinVector, array)
#3 /vagrant/mediawiki/includes/skins/Skin.php(1244): Hooks::run(string, array)
#4 /vagrant/mediawiki/includes/skins/SkinTemplate.php(461): Skin->buildSidebar()
#5 /vagrant/mediawiki/includes/skins/SkinTemplate.php(240): SkinTemplate->prepareQuickTemplate()
#6 /vagrant/mediawiki/includes/OutputPage.php(2314): SkinTemplate->outputPage()
#7 /vagrant/mediawiki/includes/MediaWiki.php(690): OutputPage->output()
#8 /vagrant/mediawiki/includes/MediaWiki.php(476): MediaWiki->main()
#9 /vagrant/mediawiki/index.php(41): MediaWiki->run()
#10 /var/www/w/index.php(5): include(string)
#11 {main}```