E_WARNING Error in file »wsdata.php« at line 73: require_once(config.php): failed to open stream: No such file or directory

Fatal error: require_once(): Failed opening required 'config.php' (include_path='.:/usr/share/php') in /var/www/system/library/plr/wsdata.php on line 73
E_COMPILE_ERROR Error in file »wsdata.php« at line 73: require_once(): Failed opening required 'config.php' (include_path='.:/usr/share/php')