Disallowed reference to /Script/Engine.LevelScriptBlueprint by my level file?

General Issues and Bug Reporting
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1

Summary

Disallowed reference to /Script/Engine.LevelScriptBlueprint. Referenced by: See below for asset list. Plugin mount point:/ROYALE001. NEWLINE>>>> /ROYALE001/ROYALE001. So i just converted my fortnite creative map intro uefn and there was no problem all devices converted all good but when i press Launch Session it keeps erroring into the /script/Engine.LevelSciptBlueprint. Please help me. The auto fix up did nothing.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

Press “Launch Session”

Expected Result

Error

Observed Result

Disallowed reference to /Script/Engine.LevelScriptBlueprint

Platform(s)

PC UEFN

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iadadamage.png

iadadamage.png
iadadamage.png2559×1439 156 KB

Converted Island gets "Disallowed Reference" errors
2

hi all

Epic Support will have to fix this.

This however looks like a static mesh in the blue print asset prop asset conversion has failed which will be Epic Support.

Update based on post 5

Fortnite Creative Prop Hunt island Template created FNCPropHunt Project

FNCPropHuntLevel
FNCPropHuntLevel896×558 65.3 KB

In UEFN double clicked the FNCPropHunt icon which was converted and created correctly but had an error similar to Post 5

/FNCPropHunt/GeneratedLevels/DefaultHLODLayer Validating asset
/FNCPropHunt/GeneratedLevels/DefaultHLODLayer DefaultHLODLayer has an invalid name: Name cannot contain
Disallowed reference to /Script/Engine. LevelScriptBlueprint, Referenced by: See below for asset list, Plugin mount point:/FNCPropHunt.
/FNCPropHunt/FNCPropHunt

Deleted the “FNCPropHunt_DefaultHLODLayer” highlighted blue icon

Launched again and Validated then started session on Fortnite Mobile Android successfully

3

FORT-1052110 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.

4

I can say I literally just expierenced the exact same issue. This is definitely a problem happening to more than one person…

5

I am experiencing this same bug today. There was a previous bug that would load an island as blank when converting from Creative to UEFN, which was fixed as of today. However, upon attempting to launch a session on an island I converted I am getting these same errors.

EDIT: My issue was resolved by deleting Level Loaders from the island.

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image1073×122 13.3 KB

1 Like
6

Thank you, we’ll get someone to take a look.

1 Like
7

@thomassts could we please get your island code if you’re still seeing this issue?

8

Hello,
I am having a validation problem on my UEFN project called Shadowz.

When I try to launch a session or upload the project, the validation fails with this error:

Disallowed reference to /Script/Engine.LevelScriptBlueprint, Referenced by: Content/Shadowz.umap

Because of this, my project cannot be updated or uploaded.

From what I understand, UEFN is detecting a forbidden reference inside my map file Shadowz.umap, possibly related to a Level Script Blueprint / Level Blueprint. I would like to know exactly what is causing this error and how I can remove or fix this reference properly.

I already checked the project settings, but the problem still remains.
The error appears during local source content validation before upload.

Could you please help me identify:

  1. what object or setting is creating this forbidden reference,

  2. how to remove it safely,

  3. and whether this issue can come from a converted or duplicated map.

Thank you in advance for your help.

9

Could we get your project ID please?