Fatal error: Uncaught Error: Interface "Ramsey\Uuid\Generator\RandomGeneratorInterface" not found in C:\mywamp\sites\allsite\calcomposer\vendor\ramsey\uuid\src\Generator\MtRandGenerator.php:27 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\ramsey\uuid\src\Generator\MtRandGenerator.php on line 27