Warning: require_once(ABSPATHWPINC/class-wp-network.php): failed to open stream: No such file or directory in /home/muzagenchv/work/loreal/myperfectskin/mps-prod/wp-includes/ms-settings.php on line 26

Fatal error: require_once(): Failed opening required 'ABSPATHWPINC/class-wp-network.php' (include_path='.:/usr/local/php5.5/lib/php') in /home/muzagenchv/work/loreal/myperfectskin/mps-prod/wp-includes/ms-settings.php on line 26