Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for my-mysql-8 failed: Name or service not known in /srv/app/zapiski.usp.spb.ru/core/main/Msql.php on line 64

Warning: Cannot modify header information - headers already sent by (output started at /srv/app/zapiski.usp.spb.ru/core/main/Msql.php:64) in /srv/app/zapiski.usp.spb.ru/core/main/Msql.php on line 66

Database connection error

(Most likely, incorrect connection data).
Database connection data is hidden for display. You can see it in /cfg