Payment Systems Knowledge Base

Error: PayPal Express Checkout is not setup on this account

Summary Shopp store owners who are using the PayPal Advanced payment gateway will not be able to process payments. Error Error: PayPal Express Checkout is not setup on this account. Known Causes This is a configuration issue with the settings in PayPal Manager. This error is caused by the account being set to test mode.…

Checkout Redirect Loop when HTTPS Environment Variable is not Set

When using a payment gateway that requires SSL; upon moving to checkout the browser is stuck in a redirect loop.

Fatal error: Call to undefined method FreeOrder::settings()

Fatal error: Call to undefined method FreeOrder::settings() in shopp/core/model/Gateway.php on line 393

How Do I Setup PayPal IPN and PDT?

Summary PayPal’s IPN and PDT setup helps to ensure that orders are fully processed both on PayPal’s side and fully captures in Shopp’s Order system. Initial Setup To start using PayPal Website Payments Standard: Setup a Verified PayPal Premier or Business Account. If you have an existing Personal account, you can upgrade your account to…

PayPal Standard Intermittent Order Capture Issue in Shopp

When processing orders with PayPal Standard, some orders may be charged through PayPal, but not show up in your Shopp Orders.

2Checkout Order Does Not Return Order Confirmation

When a customer makes a purchase using 2Checkout, and the order is finalized, the order is not captured within Shopp.

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