Fatal error: Uncaught Error: Class 'OrangeHRM\Installer\Util\V1\AbstractMigration' not found in /home/xlafr0/public_html/hr.xlafricagroup.com/installer/Migration/V3_3_3/Migration.php:24 Stack trace: #0 {main} thrown in /home/xlafr0/public_html/hr.xlafricagroup.com/installer/Migration/V3_3_3/Migration.php on line 24