Illegal mix of collations (latin2_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='<br /><br />SELECT id FROM `plogger_autor` WHERE nazwa_autora = 'Kościelniak Jan'<br /><br />
		In file: /index.php/Kościelniak Jan<br /><br />
		On line: 309