Fatal error: Uncaught Error: Class "Doctrine\Migrations\AbstractMigration" not found in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\Migrations\Version20200608135040.php:37 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\Migrations\Version20200608135040.php on line 37