Warning: require_once(config/database.php): Failed to open stream: No such file or directory in /var/www/html/classes/ApiAuth.php on line 5

Fatal error: Uncaught Error: Failed opening required 'config/database.php' (include_path='.:/usr/local/lib/php') in /var/www/html/classes/ApiAuth.php:5 Stack trace: #0 /var/www/html/tests/api_test.php(8): require_once() #1 {main} thrown in /var/www/html/classes/ApiAuth.php on line 5