Here is the debug:
<?xml version="1.0" encoding="UTF-8"?>
<Error><Number>80040B1A</Number><Description>API Disabled: RateV3. The RateV3 API is no longer available. Please follow the "RateV3 to RateV4" transition guide in the announcements section at www.usps.com/webtools to migrate to the latest version or contact your software provider or shipping administrator for assistance.</Description><Source>USPSCOM:oAuth</Source></Error>
How to fix this? Thanks!
Bookmarks