Wikimedia Bugzilla is closed!

[28-Mar-2013 05:02:31] Fatal error: Call to a member function getEntity() on a non-object at /usr/local/apache/common-local/php-1.21wmf12/extensions/Wikibase/repo/includes/actions/EditEntityAction.php on line 220
Server: mw1213
Method: GET
Backtrace:
#0 /usr/local/apache/common-local/php-1.21wmf12/extensions/Wikibase/repo/includes/actions/EditEntityAction.php(220): Wikibase\EditEntityAction::showUndoForm()
#1 /usr/local/apache/common-local/php-1.21wmf12/extensions/Wikibase/repo/includes/actions/EditEntityAction.php(167): Wikibase\EditEntityAction->showUndoForm()
#2 /usr/local/apache/common-local/php-1.21wmf12/includes/Wiki.php(439): Wikibase\EditEntityAction->show()
#3 /usr/local/apache/common-local/php-1.21wmf12/includes/Wiki.php(305): MediaWiki->performAction(Object(Article), Object(Title))
#4 /usr/local/apache/common-local/php-1.21wmf12/includes/Wiki.php(565): MediaWiki->performRequest()
#5 /usr/local/apache/common-local/php-1.21wmf12/includes/Wiki.php(458): MediaWiki->main()
#6 /usr/local/apache/common-local/php-1.21wmf12/index.php(59): MediaWiki->run()
#7 /usr/local/apache/common-local/w/index.php(3): require('/usr/local/apac...')
#8 {main}