Hi, i making a script for sell on my website, witjh the sandbox account i dont have problems, but when i has been putted my api credentials the script has been started to give the next error:
SetExpressCheckout API call failed. Detailed Error Message: You are not signed up to accept payment for digitally delivered goods.Short Error Message: Transaction refused because of an invalid argument. See additional error messages for details.Error Code: 10004Error Severity Code: Error
Im has been googled so much but i dont i has been found the solution.
Anyone can help me?.
