OK,
I added the code like the link said & now I'm getting this error message:
our transaction could not be completed. Either your credit card information or billing address has problems and cannot be processed
Please return to checkout and try again.
Paypal Full Response :
USPS Full Request :
API=RateV3&XML=PRIORITY914069100105Flat Rate BoxREGULARUSPS Full Response :
80040b1a Authorization failure. You are not authorized to connect to this server. UspsCom::DoAuth
I'm assuming that there is something wrong with the USPS info?