Fatal error: Uncaught Error: Interface "Flasher\Prime\Stamp\OrderableStampInterface" not found in C:\xampp\htdocs\bilipoa\vendor\php-flasher\flasher\Stamp\PriorityStamp.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\php-flasher\flasher\Stamp\PriorityStamp.php on line 7