Warning (2): require_once(memcacheconfig.php) [function.require-once]: failed to open stream: No such file or directory [APP/config/bootstrap.php, line 750]

Fatal error: require_once() [function.require]: Failed opening required 'memcacheconfig.php' (include_path='/var/www/html_new:/var/www/html_new/app/:.:/opt/rh/php54/root/usr/share/pear:/opt/rh/php54/root/usr/share/php') in /var/www/html_new/app/config/bootstrap.php on line 750