public function getPossibleErrors() {
return array_merge( parent::getPossibleErrors(), array(
- array( 'notloggedin' ),
- array( 'nochanges' ),
+ array( 'code' => 'notloggedin', 'info' => 'Anonymous users cannot change preferences' ),
+ array( 'code' => 'nochanges', 'info' => 'No changes were requested' ),
) );
}