When i’m going to start upgrade i have an alert like that,
Briefly unavailable for scheduled maintenance. Check back in a minute.
Then now, i have an bigger problem :
Warning: require_once(/var/www/vhosts/gutav.com/httpdocs/wp-content/themes/atelier/includes/plugins/aq_resizer.php): failed to open stream: No such file or directory in /var/www/vhosts/gutav.com/httpdocs/wp-content/themes/atelier/functions.php on line 38
Fatal error: require_once(): Failed opening required '/var/www/vhosts/gutav.com/httpdocs/wp-content/themes/atelier/includes/plugins/aq_resizer.php' (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /var/www/vhosts/gutav.com/httpdocs/wp-content/themes/atelier/functions.php on line 38