Fatal error: Uncaught Error: Class "Stripe\SingletonApiResource" not found in /home/cooperativamaism/public_html/staging/vendor/stripe/stripe-php/lib/Tax/Settings.php:19 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/stripe/stripe-php/lib/Tax/Settings.php on line 19