I finally got a "response" from my ticket with Authorize.NET. They gave
me a workaround that I was not able to easily implement, so I am not
sure if it works, but I thought I would pass it on here anyway. They
said "To temporarily work-around this is...
I set the TTL to one week and didn't get a timeout message for about 10
days. At the end of the week, I submitted a test transaction, but
everything worked fine and I did not get the timeout message. Now, after
about a week and a half since the last ...
I am having the exact same problem and it started mid-November. I went
so far as to change hosting providers and am still having the same
problem. Very frustrating! After reading this, I see that it definitely
shows up when there hasn't been an order...