Fatal error: Uncaught Error: Interface "Ramsey\Uuid\UuidInterface" not found in C:\mywamp\sites\allsite\calcomposer\vendor\ramsey\uuid\src\Uuid.php:42 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\ramsey\uuid\src\Uuid.php on line 42