Hello there @G1o2g3h!
Your provided error is incomplete, the screenshot shows the scrolling bar moved a bit below. The beginning of the log should have a more specific error.
Still, the conflict with the UnrealEditorFortnite_Win64_Shipping suggest an issue similar to the one below, please check their methods for your scenario.
If the isssue persists after this, please send another screen with your error, as well as the full crash log, that can be obtained from C:\Users[Your Windows Username]\AppData\Local[Project Name]\Saved\Crashes