}
if ( $request->getCheck( 'wpCancel' ) ) {
- $titleObj = Title::newFromText( $request->getVal( 'returnto' ) );
+ $returnto = $request->getVal( 'returnto' );
+ $titleObj = $returnto !== null ? Title::newFromText( $returnto ) : null;
if ( !$titleObj instanceof Title ) {
$titleObj = Title::newMainPage();
}