My problem was that I needed to update plugin Woocommerce USPS Shipping. The current version is 4.1.10 resolved the issue. Thank you for your input.
I had the same problem. I am using Woocommerce USPS Shipping Plugin. I had to update the plugin to ver 4.1.10. For some reason the plugin never showed that a new update was available.
Ooops. This is just a forum post. I realize that this is not a TICKET. Please unresolve this post.
I have check the Debug Enabled so that caching is not an issue.
Please UNRESOLVE this TICKET. How can I send you print screens?