...also, I'm on a Mac, I've tried in all three browsers with the same results. I then switched to a PC, same error. I also tried creating a whole new account with USPS. I noticed that mine seemed buggy, when I choose to look at my profile the site automatically logs me out, I could never get to my Profile. In the new USPS account I can, so something was wrong with my account. Howver, I still get the same error.
...also, I'm on a Mac, I've tried in all three browsers with the same results. I then switched to a PC, same error. I also tried creating a whole new account with USPS. I noticed that mine seemed buggy, when I choose to look at my profile the site automatically logs me out, I could never get to my Profile. In the new USPS account I can, so something was wrong with my account. Howver, I still get the same error.