Fatal error: Uncaught Error: Class "Google\Protobuf\Internal\Message" not found in C:\xampp\htdocs\API\vendor\google\cloud\ShoppingMerchantAccounts\src\V1beta\TaxRule.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\API\vendor\google\cloud\ShoppingMerchantAccounts\src\V1beta\TaxRule.php on line 25