We might get the below error while trying to add Microsoft Dataverse Data source in Dynamics 365 Customer Insights.
“Coundn’t add resource. Microsoft Dataverse is in use”
As the error message indicates, this is because we have an already existing data source connected to that same organization.
We can edit the Data Source and can add entities to the same connection.
also delete the data source, if its entities are not used in Match and Merge
else we will get the below error message.
“To proceed, remove its entities from: Match, Merge”
In this case we will have to remove the entities from any Merge and Match configuration first.
Hope it helps..