I am trying to test the api call in my sandbox business pro account using the pro sdk,
UserInfo user = new UserInfo(MERCHANT_USERNAME, MERCHANT_USERNAME, PARTNER, MERCHANT_PASSWORD);
I dont know which arguments I need to pass to the above constructor . I tried to use the business pro enabled username of my sandbox under api-crediantials tab as the MERCHANT_USERNAME and business pro enabled password of my sandbox as the MERCHANT_PASSWORD and Paypal as PARTNER ,but I am getting
RESULT = 26
RESPMSG = Invalid vendor account
RPREF = null
PROFILEID = null
Transaction Failed.
Can someone tell me what is the issue here
