Fatal error: Uncaught Error: Class 'WPForms\Migrations\UpgradeBase' not found in E:\www\web\wp-content\plugins\wpforms-lite\src\Migrations\Upgrade168.php:12 Stack trace: #0 {main} thrown in E:\www\web\wp-content\plugins\wpforms-lite\src\Migrations\Upgrade168.php on line 12