Fatal error: Uncaught Error: Interface "Psl\Range\RangeInterface" not found in C:\xampp\htdocs\hannoole\PMS\vendor\azjezz\psl\src\Psl\Range\UpperBoundRangeInterface.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\azjezz\psl\src\Psl\Range\UpperBoundRangeInterface.php on line 10