The output geometry table contains null values in critical fields (e.g., StationID , ReachName ). Solution: Open the attribute table of XS_CutLines . Verify every cut line has a unique numeric StationID . Run ApUtilities > Check Geometry before export.
To understand the nuances of running HEC-GeoRAS on ArcGIS 10.8, one must first understand the software architecture changes that occurred within the ArcGIS platform. hec georas for arcgis 10.8
ArcGIS 10.8, released in early 2020, represents the final major release of the traditional ArcMap platform. While it is a mature and stable product, it is still fundamentally a 32-bit application. This is the key to the HEC-GeoRAS compatibility puzzle. The output geometry table contains null values in