joomla/joomla-cms — pull request #1285 by Fedik (2013-06-15 12:20:34+00:00)
Title: [#31166] fix Undefined property: JTableCorecontent::$metakey

Notice: Undefined property: JTableCorecontent::$metakey in libraries/cms/table/corecontent.php on line 132

when
JTableCorecontent->check();