Error Configure file Warning: Cannot modify header information - headers already sent by (output started at c where cd.categories_id = ':22) in c where cd.categories_id = ' on line 24 Warning: require_once(_CLASSdb.php): failed to open stream: No such file or directory in c where cd.categories_id = ' on line 25 Fatal error: require_once(): Failed opening required '_CLASSdb.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in c where cd.categories_id = ' on line 25