Why, in the administration de payment form not recognize the class, I followed step to step by always I have this:
Supports capture: Unknown
Supports refund: Unknown
Supports partial refund: Unknown
Supports void: Unknown
Supports recurring payments: Unknown
Thanks for your answer.
Supports capture: Unknown
Supports refund: Unknown
Supports partial refund: Unknown
Supports void: Unknown
Supports recurring payments: Unknown
Thanks for your answer.
Look at the following topic. Presume that you have the same issue: https://www.nopcommerce.com/boards/t/9643/help-on-new-payment-method-nullexception.aspx