I'm using your online testing tool at
https://developer.authorize.net/api/reference/index.html
I put in my Login Id/Transaction Key - I click 'Done'.
I go to Charge A Credit Card - I get 'E00007'.
I've recreated my transaction key a few times. Still just E00007.
I've run a few C# samples, and that gives me E00007 as well.
Our account is in Test mode, but I swapped to Live a few times to see if that helped.
This is my second company to setup, and never had issues with that one.
Since this is the online test tool, this should be pretty simple fix. What else should I look for?
