Fatal error: Uncaught mysqli_sql_exception: Unknown database 'nada' in /var/www/html/new/batchCategories.php:36 Stack trace: #0 /var/www/html/new/batchCategories.php(36): mysqli_real_connect(Object(mysqli), 'hanamysqldb.mys...', 'hanaadmin', Object(SensitiveParameterValue), 'nada', 3306, NULL, 64) #1 {main} thrown in /var/www/html/new/batchCategories.php on line 36