Warning: Undefined variable $pdo in C:\xampp\htdocs\ttt\company_settings.php on line 38

Fatal error: Uncaught Error: Call to a member function query() on null in C:\xampp\htdocs\ttt\company_settings.php:38 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ttt\company_settings.php on line 38