(SOLVED) Normal - UEFN - Editor froze upon trying to convert a 1.0 island

General Issues and Bug Reporting
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1

After I confirmed that the editor will create data for the map, the import process got stuck at 100% (I waited around 10 mins).

UnrealEditorFortnite-Win64-Shipping_DuRLecOtm4
UnrealEditorFortnite-Win64-Shipping_DuRLecOtm41936×1048 172 KB

explorer_w5UAILIY0h
explorer_w5UAILIY0h1193×58 15.8 KB

UnrealEditorFortnite.log (1.0 MB)

EDIT: Upon removing the SAC button from the map, the editor now full on crashes on loading it, and I think I know why (I think its old devices):

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UnrealEditorFortnite.log (1.0 MB)

EDIT 2: I found what it was. The devices Player Spawn Plate and Player Checkpoint Plate will cause a crash if contained within a level that is being converted.