Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/dcasolut/www/dca-connect.php on line 7

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/dcasolut/www/dca-connect.php on line 7

Fatal error: Uncaught TypeError: mysqli_error(): Argument #1 ($mysql) must be of type mysqli, bool given in /home/dcasolut/www/dca-connect.php:7 Stack trace: #0 /home/dcasolut/www/dca-connect.php(7): mysqli_error(false) #1 /home/dcasolut/www/references.php(55): include('/home/dcasolut/...') #2 {main} thrown in /home/dcasolut/www/dca-connect.php on line 7