Help: error when use Generate From/To Node for Lines

Discussion created by yanliz on Jun 19, 2014
Latest reply on Jun 26, 2014 by MBoucher21
I am using ArcHydro 10.1 for ArcGIS 10.1. When I try to use the Generate From/To Node for Lines, an error message pops up and I could not go further.  Any help would be greatly appreciated.