i can't start a session

General Issues and Bug Reporting
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Summary

i can’t start a session

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

Hello, I have a big problem with one of my uefn maps, suddenly I can no longer launch it and it bugs, when I want to launch a session it tells me: LoadErrors: Error: /EVREST/ExternalActors/EVREST/D/EK/2RVTAOI30XZ1U9AMBH9WOK : Failed import for SceneComponent /EVREST/EVREST.EVREST:PersistentLevel.FortPlaysetRoot_2147482645.DefaultSceneRoot LoadErrors: Error: /EVREST/ExternalActors/EVREST/D/EL/ZOJTLKMXTMQ8IBA19KOWT0 : Failed import for FortPlaysetRoot /EVREST/EVREST.EVREST:PersistentLevel.FortPlaysetRoot_2147482645
several times, can you help me? Thanks in advance

Expected Result

i can’t start session

Observed Result

i can’t start session

Platform(s)

pc

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hi @Bil_game78 ,
There was an article about picking out code and translating
Asset Validation Issues - Issues and Bug Reporting

So the extracted bits to paste in the Outline window is
2RVTAOI30XZ1U9AMBH9WOK

ZOJTLKMXTMQ8IBA19KOWT0

This should show the Asset that is failing

Experience shows this is due to project in a prior version for example 29.60

This next command could cause more problems and on do it if you are comfortable

The way the fix this is delete the content of the store in Windows File explorer
C:\Users%USERPROFILE%\AppData\Local\FortniteGame\Saved\PersistentDownloadDir

to completely rebuild UEFN stores will attempt to build the corrupted store
READ THE WARNING and if you are not comfortable with advanced troubleshooting dont use this
if you type something wrongly you could do severe damage always use copy/paste commands

31.20 UEFN Fix Validation by clearing temporary store

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