010829: Geodesic option cannot be used with a missing spatial reference or unknown coordinate system.
Description
To perform analysis using the Geodesic method, the input must have a spatial reference, or the Output Coordinate System environment must be specified.
Solution
Do any of the following:
Specify the Output Coordinate System environment.
Use the Define Projection tool on the input data to define the spatial reference.
Specify the Planar method to perform that type of analysis instead.