I had to change line 102 in LastModified.php to:
if ( $article && $title instanceof Title && ($title->getNamespace() == 0 || $title->getNamespace() > 15) && $title->exists() ) {
as we are using additional Namespaces.
I had to change line 102 in LastModified.php to:
if ( $article && $title instanceof Title && ($title->getNamespace() == 0 || $title->getNamespace() > 15) && $title->exists() ) {
as we are using additional Namespaces.