Warning: require(db_connection.php): Failed to open stream: No such file or directory in /var/www/html/register.php on line 8

Fatal error: Uncaught Error: Failed opening required 'db_connection.php' (include_path='.:/usr/local/lib/php') in /var/www/html/register.php:8 Stack trace: #0 {main} thrown in /var/www/html/register.php on line 8