https://de.wikipedia.org/wiki/Spezial:MobileDiff
PHP fatal error in /usr/local/apache/common-local/php-1.21wmf5/extensions/MobileFrontend/includes/specials/SpecialMobileDiff.php line 16:
Call to a member function getPrevious() on a non-object
Version: unspecified
Severity: normal
URL: https://de.wikipedia.org/wiki/Spezial:MobileDiff