How do i fix this error

Summary

when i try to Launch session it says-Failed to find a server through matchmaking: Error: errors.com.epicgames.fortnite.invalid_region

Your backend is: Fortnite
Your Build is: ++Fortnite+Release-41.10-CL-55335788
Region: NONE
BuildIdOverride is: 54820372

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Matchmaking

Steps to Reproduce

so I clicked on the Launch session button and that apeared.

Expected Result

well i would be able to join the game to test it

Observed Result

i got Failed to find a server through matchmaking: Error: errors.com.epicgames.fortnite.invalid_region

Your backend is: Fortnite
Your Build is: ++Fortnite+Release-41.10-CL-55335788
Region: NONE
BuildIdOverride is: 54820372

Platform(s)

UEFF

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Additional Notes

HELP