also same problem …
Warning: mysql_query() [function.mysql-query]: Access denied for user ‘……… (using password: NO) ………../wp-content/plugins/wp-optimize/wp-optimize-common.php on line 332
Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in /………./wp-content/plugins/wp-optimize/wp-optimize-common.php on line 332
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /…………/wp-content/plugins/wp-optimize/wp-optimize-common.php on line 333