Warning: mysqli_connect(): (HY000/2002): Connection refused in /var/task/user/🦈/db.lib.php on line 5

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/task/user/🦈/db.lib.php:7 Stack trace: #0 /var/task/user/🦈/db.lib.php(7): mysqli_query(false, 'set character_s...') #1 /var/task/user/🦈/libs/cases.php(3): require_once('/var/task/user/...') #2 /var/task/user/case.php(5): require_once('/var/task/user/...') #3 {main} thrown in /var/task/user/🦈/db.lib.php on line 7