при установке, на странице модуля и удалении возникает ошибка:
Warning: mysql_query() [function.mysql-query]: Access denied for user ''@'localhost' (using password: NO) in /home/d/.../public_html/admin/model/catalog/coolfilter.php on line 219Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in /home/d/.../public_html/admin/model/catalog/coolfilter.php on line 219Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /home/d/.../public_html/admin/model/catalog/coolfilter.php on line 219Warning: Cannot modify header information - headers already sent by (output started at /home/d/.../public_html/admin/index.php:85) in /home/d/.../public_html/vqmod/vqcache/vq2-system_engine_controller.php on line 28Warning: Cannot modify header information - headers already sent by (output started at /home/d/.../public_html/admin/index.php:85) in /home/d/.../public_html/vqmod/vqcache/vq2-system_engine_controller.php on line 29
подскажите,как исправить?