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The e-commerce.

Error: Payment module configuration error. Please verify the login credentials.


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Phoenix In-house WAMP server running PHP 7.0.33. Paypal App 5.018. Both Paypal Express and Paypal Payments Pro modules installed and enabled (although I only want Paypal express, it says I need to install both).

I'm rebuilding an old live shop. Testing in-house. Copied all of the API credentials from the original site. In Admin, I can get both live and sandbox balance.

But, in the shop side, either clicking on the 'Check Out with Paypal' button in the shopping cart, or selecting Paypal as the payment method in checkout_payment.php, I get the above error. Happens both in live and sandbox.

Suggestions? TIA


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