Fatal error: Uncaught Error: Class "Stripe\SingletonApiResource" not found in /home/d4listing/public_html/seaoak=/vendor/stripe/stripe-php/lib/Billing/CreditBalanceSummary.php:15 Stack trace: #0 {main} thrown in /home/d4listing/public_html/seaoak=/vendor/stripe/stripe-php/lib/Billing/CreditBalanceSummary.php on line 15