PDOException: SQLSTATE[HY000]: General error: 1267 Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='

Stack trace:
at /srv/www/globalplaza.hu/gothic/db/pdo.php:44
0# /srv/www/globalplaza.hu/gothic/db/pdo.php:44:  PDOStatement->execute()
1# /srv/www/globalplaza.hu/gothic/db/pdo.php:55:  GtcPDO->smartQuery("SELECT type AS name FROM multi_product WHERE urlname = ?", array(1))
2# /srv/www/globalplaza.hu/gothic/db/pdo.php:97:  GtcPDO->_query("SELECT type AS name FROM multi_product WHERE urlname = ?", array(1))
3# /srv/www/globalplaza.hu/redirect_gp2togp3.php:59:  GtcPDO->getRow("SELECT type AS name FROM multi_product WHERE urlname = ?", array(1))
4# /srv/www/globalplaza.hu/modules/frame.php:345:  RedirectGp2ToGp3->__construct()
5# /srv/www/globalplaza.hu/redirect_gp2togp3.php:79:  SitePlain("RedirectGp2ToGp3")