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I am trying to go from a CSV of sample sites and a DEM to creating watersheds. I can process the DEM fine to stream networks and can import the points (first to event layer, then convert them to a feature class. The problem arises when I try to snap pour points (my sample sites) on to my flow accumulation raster to create the watersheds, the same error of "Sample_Sites do not exist" keeps popping up even though I can go to ArcMap and open them.

Any ideas on how to get around this problem?

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