Fatal error: Uncaught Stripe\Exception\UnexpectedValueException: Could not determine which URL to request: Stripe\Checkout\Session instance has invalid ID: in /home/stackfluence/public_html/app/wp-content/themes/stackfluence/stripe/lib/ApiResource.php:104 Stack trace: #0 /home/stackfluence/public_html/app/wp-content/themes/stackfluence/stripe/lib/ApiResource.php(118): Stripe\ApiResource::resourceUrl(NULL) #1 /home/stackfluence/public_html/app/wp-content/themes/stackfluence/stripe/lib/ApiResource.php(56): Stripe\ApiResource->instanceUrl() #2 /home/stackfluence/public_html/app/wp-content/themes/stackfluence/stripe/lib/ApiOperations/Retrieve.php(26): Stripe\ApiResource->refresh() #3 /home/stackfluence/public_html/app/wp-content/themes/stackfluence/thankyou.php(18): Stripe\Checkout\Session::retrieve(NULL) #4 /home/stackfluence/public_html/app/wp-includes/template-loader.php(106): include('/home/stackflue...') #5 /home/stackfluence/public_html/app/wp-blog-header.php(19): require_once('/home/stackflue...') #6 /home/stackfluenc in /home/stackfluence/public_html/app/wp-content/themes/stackfluence/stripe/lib/ApiResource.php on line 104