Message Type: Integration-related: Dynamics 365 Business Central.
Cause: The “Integration” user in D365-BC/NAV is only authorized to post invoices with today’s date.
Action: You must adjust the following parameters in D365-BC/NAV
- Go to “User Settings”
- Verify that the integration user is included in the list
- Verify that the “Allow posting <> Today” option is selected
- If the integration user is not included in the list, add it

If this does not resolve the issue, please contact us at the MediusGo Customer Center directly via the support button on the invoice or through the customer portal.