Failed to load map! Umap appears to be an asset file

For anyone who’s going to have this problem, here’s how I solved:

  1. Go to Project SettingsMap and Modes
  2. Check the Editor Startup Map: I suppose you have your faulty map selected here.
  3. Click on it and select a default UE4 map (e.g. “StarterMap”)
  4. Close the settings, save (ctrl+s) and close UE4.
  5. Open UE4 again
  6. Follow all the previous steps again but this time, in the step 3, choose your map!
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