Fatal error: Cannot redeclare ShowRatingx() В чем может быть проблема?

    //рейтинг икс
277 .function ShowRatingx($id, $rating, $vote_num, $editor, $allow = true) {
288.       global $lang;
    
    if( $rating ) $rating = round( ($rating / $vote_num), 1 );
    $rating1 = str_replace( ",", ".", $rating );
    
    switch($rating1) {
case ($rating1 == 0.0):
    $rating1 = '1';
    break;
case ($rating1 <= 2.4):
    $rating1 = '2';
    break;
case ($rating1 <= 4.9):
    $rating1 = '3';
    break;
case ($rating1 <= 7.4):
    $rating1 = '4';
    break;
case ($rating1 <= 10.0):
    $rating1 = '5';
    break;