2Checkout Payments How To

Hello,

i signed in for 2checkout payments through the membership plugin. i activated the payment gateway and i set up the Domain: http://mywebsite/paymentreturn/twocheckout in the global url in the menue instant notification settings.

After clicking on the subscription button the user will directed to the cart to checkout but there is an error occuring: PE102

Perhaps someone can help me in fixing this issue