Thank you very much. I guess you figured out the problem, but I am not sure I understand your solution. Yes, there is something tricky there. When defining my Region as geo item,I supplied a table in the step "Edit Polygon Provider", but coming back to the step of "Edit geography item", I have to provide longitude and latitude, (even though these do not have the *, if I dont provide something here, there will be nothing on my map). So I used the LAT and LON of my object (customers). I dont think this is right, but in the dataset, I have no other LAT and LON. Back to the input dataset, do you mean that I have to have the same LAT/LON for all customers in a Region? But then what that value should be? A Region is defined by tens of thousands of LAT/LON pairs. What do you mean by "Such unique pairs are provided if you use the VA provided data"? What feels right to me is ... to define Region with those tens of thousands of LAT/LON pairs and the input dataset does not even need to carry LAT/LON information, it only needs Region name... but I am not able to do that as well.
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