010487: Possible unconnected region(s) in the minimum spanning tree.

Description

There are possibly some input regions that are not connected in the resulting minimum spanning tree in the output feature class.

Solution

Some factors that may cause this message to occur include the choice of cell size, the complexity and distribution of the regions, the type of the input, and the interaction between these factors. Consider changing the cell size, simplifying the regions, or reducing the number of regions.