EWS InternalServerError

Hello,

We are new to eM Client, currently testing it before buying a commercial licence for our company. Unfortunately, we are constantly seeing the same errors in the Activity window.

[Exchange Web Services]Synchronizace složky ‘xxx@yyy.cz/Archive’ selhala kvůli následující chybě: Chybové hlášení nenaznačuje úspěch: InternalServerError (Internal Server Error).

[Exchange Web Services]

Any advice? We are using Office 365.