Fatal error: Uncaught Error: Interface "Endroid\QrCode\Matrix\MatrixInterface" not found in D:\xampp\htdocs\SSWPOS\vendor\endroid\qr-code\src\Matrix\Matrix.php:9 Stack trace: #0 {main} thrown in D:\xampp\htdocs\SSWPOS\vendor\endroid\qr-code\src\Matrix\Matrix.php on line 9