Fatal error: Uncaught Error: Class 'Stripe\Util\Set' not found in /var/www/html/sevence/common/inc/stripe-php/lib/StripeObject.php:23 Stack trace: #0 /var/www/html/sevence/common/inc/stripe-php/lib/StripeObject.php(257): Stripe\StripeObject::init() #1 {main} thrown in /var/www/html/sevence/common/inc/stripe-php/lib/StripeObject.php on line 23