Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\MailerInterface" not found in D:\xampp\htdocs\bkash-biller-portal-app\backup_21_01_2026\vendor\symfony\mailer\Mailer.php:26 Stack trace: #0 {main} thrown in D:\xampp\htdocs\bkash-biller-portal-app\backup_21_01_2026\vendor\symfony\mailer\Mailer.php on line 26