Warning: mysqli_connect(): The server requested authentication method unknown to the client [caching_sha2_password] in /var/www/html/index.php on line 84

Warning: mysqli_connect(): (HY000/2054): The server requested authentication method unknown to the client in /var/www/html/index.php on line 84

Fatal error: Uncaught Error: Call to a member function set_charset() on boolean in /var/www/html/index.php:85 Stack trace: #0 {main} thrown in /var/www/html/index.php on line 85