This could be many different things. This could be due to folder permissions or the activities are archived after 1 year and can no longer be report on without a feature activation. There are some other possibilities as well such as incorrect report type or filter criteria. Let me konw if this helped or not.
This could be many different things. This could be due to folder permissions or the activities are archived after 1 year and can no longer be report on without a feature activation. There are some other possibilities as well such as incorrect report type or filter criteria. Let me konw if this helped or not.