Let's ensure to get you back on track by routing you directly to our live support team, Two.

You can follow the steps provided above by my colleague @FateCandylaneT on how to contact them using QuickBooks Desktop (QBDT). They have the tools to safely access your account and investigate the root cause of your concern.

You can refer to this page to know the availability hours of our live experts at your convenience: Support hours.  

I'll also share this article in case you want to create new shipping and handling items for landed cost in QBDT: How to set up landed cost in QuickBooks Desktop Enterprise.

Feel free to reply on this thread if you need further assistance in linking your UPS with the Shipping Manager.