Failed to export unnamed.map

Game Modding | Call of Duty: Black Ops 3 | General Discussion

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ModmeBot:

Thread By: TheKillerey

Error: Failed to export unnamed.map because Unable to process the zone file. Make sure to export from the top map and that the zone file is properly configured.

Thats the error code if I want to build my map. If this comes my map is broken and will open a blank map. I got this on 3 maps. Any solution?