unable to launch the session

Summary

Unable to launch the session. Everything was running smooth unless i published a private version of the map without doing memory calculation. So i opened uefn again to publish a new release, but when i click on launch session, it prompts ERROR [shows in creative portal area where players are going to their maps]. After few attempts of doing this i decided to check the ‘‘Log’’. But it shows nothing. In uefn it shows this image -

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

never happed before, so idk.

Expected Result

to let the session launch.

Observed Result

nothing

Platform(s)

pc

Island Code

1698-1165-6060

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