Moving a map file with a landscape material causes issues
Seems to be an issue with the landscape material. Trying to move the file causes this error
Can't save D:/Repos/MapError/BattleTank/Content/_Levels/Battleground.umap: Graph is linked to private object(s) in an external package.
Selecting yes fails to work and then continuing/cancelling causes the map to be corrupted and trying to load the moved file causes the editor to crash.
Repo for reproducing this https://github.com/SuperWig/04_BattleTank
Edit: Appears to be UE-62150
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