EDIT: oops, ignore me. See LittleGiant’s reply Spatial Profiler showing 7.9gb on empty map UEFN 41.2 - #17 by LittleGiant
Other logs
Getting UEFN logs: How to get your Fortnite logs
For console you can submit a bug report within fortnite, follow this guide https://www.epicgames.com/help/fortnite-battle-royale-c-34254770/gameplay-c-33726977/how-to-submit-a-fortnite-bug-report-in-game-a14422706