Fatal error: Uncaught Error: Class 'Google\Collection' not found in C:\xampp\htdocs\siskeudes\vendor\google\apiclient-services\src\PaymentsResellerSubscription\GoogleCloudPaymentsResellerSubscriptionV1PromotionIntroductoryPricingDetails.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\siskeudes\vendor\google\apiclient-services\src\PaymentsResellerSubscription\GoogleCloudPaymentsResellerSubscriptionV1PromotionIntroductoryPricingDetails.php on line 20