Flow map route error

Resolver 

1.Double-check your Top N calculation outside the map first.

• Create a separate table visual showing exactly which Source-Destination pairs and counts are top.

• Ensure that Flow Map is getting exactly those pairs.

2. Try to simplify the geography a bit.

• Use City + Country or State + Country only.

• Sometimes adding Zip Codes confuses the geocoding engine and causes routes to disappear.

3. Lower the Top N if possible.

• Try Top 20 or Top 50 first.

• Flow Map can choke if you push too many routes at once.

4. Check for duplicates or rounding issues.

• If two routes have almost the same counts, and you have a Top N filter, sometimes minor rounding can push the expected routes out.

5. Try using Source Latitude/Longitude and Destination Latitude/Longitude directly.

• If you can add lat/lon to your data, you bypass some of the geocoding guesswork.

6. Adjust settings inside the Flow Map visual

• There is often an option like:

  • "Route smoothing"

  • "Avoid overlapping lines"

  • "Force show all routes" (depends on the visual version)

7. (Last resort) Use an alternative visual

• If Flow Map keeps failing, try the Route Map custom visual or even ArcGIS for Power BI.

They're heavier but more reliable for lots of paths.

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