How do I find my map code for UEFN?

1. Launch the Epic Games Launcher with your Creator Account.
2. Launch Unreal Editor for Fortnite.
3. Load the project experiencing issues.
4. Select the Projects icon on the toolbar.
5. Select Upload to Private Version...
6. Press the Upload button.
7. Wait for the upload to complete.

It will display the message Private Version has been completed and provide you with a Map Code.