The user is receiving the below error message when attempting to integrate their company with Sage 50 US.
Connection to the company could not be established. The type initializer for 'Sage.Peachtree.API.PeachtreeSession' threw an exception
Sage 50 US users.
This issue is normally due to your Sage version being incompatible with the Sync App version you are using.
To clear this error please update your sync app. You can find out how to do this here.