Notice: Use of undefined constant ABSPATH - assumed 'ABSPATH' in /var/www/clients/client1/web12/web/_wp-includes/ms-settings.php on line 26

Notice: Use of undefined constant WPINC - assumed 'WPINC' in /var/www/clients/client1/web12/web/_wp-includes/ms-settings.php on line 26

Warning: require_once(ABSPATHWPINC/class-wp-network.php): failed to open stream: No such file or directory in /var/www/clients/client1/web12/web/_wp-includes/ms-settings.php on line 26

Fatal error: require_once(): Failed opening required 'ABSPATHWPINC/class-wp-network.php' (include_path='.:/usr/share/php') in /var/www/clients/client1/web12/web/_wp-includes/ms-settings.php on line 26