Fatal error: SQL ERROR [ mysql ]

Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_polish_ci,COERCIBLE) for operation '='

CALLING PAGE

/tags.php/firma handlowa+sprzedaćŒ internetowa&

SQL

SELECT DISTINCT B.*, U.username FROM sc_users AS U, sc_bookmarks AS B, sc_tags AS T0, sc_tags AS T1 WHERE B.uId = U.uId AND B.bStatus = 0 AND T0.tag = "firma handlowa" AND T0.bId = B.bId AND T1.tag = "sprzedaćŒ internetowa" AND T1.bId = B.bId ORDER BY B.bDatetime DESC LIMIT 10
in /home/easy10247/domains/tanieje.com.pl/public_html/includes/db/mysql.php on line 390