Fatal error: Uncaught Error: Interface 'ACP\Type\ActivationToken' not found in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\classes\Type\Activation\Key.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\classes\Type\Activation\Key.php on line 8