$pageObj = $this->getTitleOrPageId( $pageParams, 'fromdb' );
$titleObj = $pageObj->getTitle();
+ if ( !$titleObj || !$titleObj->exists() ) {
+ $this->dieUsage( "The page you specified doesn't exist", 'missingtitle' );
+ }
$wgTitle = $titleObj;
if ( isset( $prop['revid'] ) ) {