When solving a route with directions, ArcGIS Pro returns a warning message in ArcGIS Pro 3.0 and crashes in ArcGIS Pro 2.9 in some instances where street names are not populated.

Workaround

There are a few workarounds, but with various side effects:

• Ensure all streets have the street name populated. This requires significant changes to the data for all unnamed streets.
• Duplicate the existing DirTravel field to a field called HwyDirTravel, and delete the values in the new field for streets that are not highways. Use HwyDirTravel for the 'Highway Direction' Field Mapping for directions for UPS_STREETS. This requires adding and maintaining a new field.
• Complete and unset the Highway Direction source field so it does not use Highway Direction at all. This changes the U-Turns to two-turn instructions instead of just a U-Turn.

Steps to Reproduce