lat9:
Did you also make sure to add the "Rating" and "Time in Transit" Products to that UPS App that's associated with those credentials? See this (https://github.com/lat9/upsoauth/wiki/Creating-Your-OAuth-Client-ID-and-Client-Secret) UPSoAuth wiki article for additional information.
I did now lol.
Logs show rates are coming, but it still breaks at the shipping page.
Here is the error:
[06-Oct-2023 11:56:20 America/Indiana/Indianapolis] Request URI: /index.php?main_page=checkout_shipping&zenid=xxxx, IP address: xxxx
#1 UpsOAuthApi->getCurrentMethodQuote() called at [/home/xxxx/public_html/includes/modules/shipping/upsoauth/UpsOAuthApi.php:440]
#2 UpsOAuthApi->getShippingMethodsFromQuotes() called at [/home/xxxx/public_html/includes/modules/shipping/upsoauth.php:326]
#3 upsoauth->quote() called at [/home/xxxx/public_html/includes/classes/shipping.php:171]
#4 shipping->quote() called at [/home/xxxx/public_html/includes/modules/pages/checkout_shipping/header_php.php:187]
#5 require(/home/xxxx/public_html/includes/modules/pages/checkout_shipping/header_php.php) called at [/home/xxxx/public_html/index.php:36]
[06-Oct-2023 11:56:20 America/Indiana/Indianapolis] PHP Catchable fatal error: Argument 2 passed to UpsOAuthApi::getCurrentMethodQuote() must be an instance of string, string given, called in /home/xxxx/public_html/includes/modules/shipping/upsoauth/UpsOAuthApi.php on line 440 and defined in /home/xxxx/public_html/includes/modules/shipping/upsoauth/UpsOAuthApi.php on line 450