This message is displayed in the Editing Status dialog box.
Cause
The raster layer cannot be edited with ArcGIS Pro.
The raster layer cannot be edited with ArcGIS Drone2Map.
Solution
In some cases, you may be able to export the values and edit them using the Build Raster Attribute Table geoprocessing tool.
In some cases, you may be able to export the values and edit them using the Build Raster Attribute Table geoprocessing tool in ArcGIS Pro.