This content has been marked as final. Show 1 reply
I also am having issues with the Longest Flow Path in ArcHydro. I keep getting a System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ----> System.FormatException...
I have attached a screenshot of the complete error message:
Any help would be greatly appreciated.:confused:
LFP_error.jpg 40.1 K