GitHub user dosubot[bot] added a comment to the discussion: Getting while
adding filter or altering dashboard
{"message":{"json_metadata":[{"map_label_colors":["Unknown field."]}]}}
<!-- Answer -->
To resolve the "Unknown field" error related to "map_label_colors" when adding
a filter or altering a dashboard in Superset 4.1.1, you can follow these steps:
1. Ensure that you are running the same version of Superset on both the
frontend and backend of your installation, as a version mismatch can cause this
error.
2. Go to edit chart.
3. Navigate to the 'Advance' section.
4. Remove the map_label_color object.
Additionally, ensure that the `map_label_colors` field is correctly set in the
dashboard metadata. The code in
`superset-frontend/src/dashboard/components/PropertiesModal/index.tsx` shows
that `map_label_colors` is set using
`getFreshLabelsColorMapEntries(customLabelColors)`. Make sure this function is
correctly implemented and that `customLabelColors` is properly defined in your
metadata. After completing these steps, the dashboard should save successfully
<sup>[[1]](https://github.com/apache/superset/issues/32784)</sup><sup>[[2]](https://github.com/apache/superset/issues/31397)</sup><sup>[[3]](https://github.com/apache/superset/blob/master/superset-frontend/src/dashboard/components/PropertiesModal/index.tsx)</sup>.
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GitHub link:
https://github.com/apache/superset/discussions/33014#discussioncomment-12749431
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