You are seeing the below error message on your Desktop Sync App, or your company's integration status.
Unable to open the company file. , ID: E31
AutoEntry Desktop Sync App
Sage 50 Canada users
If you are seeing this error it is normally due to the Sync App requiring an update.
To clear this error please follow these steps:
Update the Sync App. You can find out to do this here.
Once updated, restart the Sync App service. You can find out how to do this here.
Go to the affected company on the AutoEntry website and Re-sync your company data:
Unpublish and republish any impacted invoices.
Once an invoice successfully publishes to Sage, the error should clear!