I have the same problem. Calling support led to an email directing me to this post. I'm using
TransAmerica Retirement Solutions
6400 C Street SW
Cedar Rapids IN 52499
All of that information is valid and cross validated from the TrasAmerica website, USPS, Opengov.us
I tried deleting the 1099-R and starting over twice. Once on my own, and once at the request of customer service after clearing cache and cookies. No luck, it's an app problem, not a user/browser/OS problem
