The message is due to Avalara not being able to access the company information to be able to process the request
- Verify the information entered in the Sage Sales Tax Connection
- Verify the Company setup for Sage Sales Tax is correct and the company listed corresponds to a company in Avalara
- Verify Nexus is set up for the taxing authority
In the case of possible data corruption:
- Delete the delivery with a Modification of Issues for each delivery line.
- Create a new delivery for the sales order.
- Create a new sales invoice.