MySQL database error

mysql error: Illegal mix of collations (hebrew_general_ci,IMPLICIT) and (latin1_swedish_ci,COERCIBLE) for operation '='

Query Failure: SELECT `id` FROM `category` WHERE `pageid` = 'שירותי_ליווי_בדרום_1'
mysql error number: 1267
Date: 26-07-2014 06:03:14
Script: http://www.sexforfree.co.il/index.php
IP Address: 54.198.9.77