Fatal Error received !
 

Warning: require_once([path]/includes/class_hook.php) [function.require-once]: failed to open stream: Too many open files in system in [path]/includes/init.php on line 275

Fatal error: require_once() [function.require]: Failed opening required '/home/admin/domains/*******.com/public_html/forum/includes/class_hook.php' (include_path='.:/usr/local/lib/php') in /home/admin/domains/*******.com/public_html/forum/includes/init.php on line 275


Please advise and thanks