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Graph is linked to private object(s) in an external package.

When trying to save the material I get this:

 Can't save D:/Programs/Unreal Projects/UnrealUniverse/Content/Materials/Lake/M_Lake02.uasset: Graph is linked to private object(s) in an external package.
 External Object(s):
 /Engine/Transient
   
 Try to find the chain of references to that object (may take some time)?


Here is a copy pasta of the code http://pastebin.com/ZxE4taRf

As you can see there are numerous refs to

 Material=PreviewMaterial'/Engine/Transient.M_Lake02'

I tried to remove all those lines and repaste it but they reappear

Product Version: UE 4.9
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asked Sep 14 '15 at 05:01 PM in Using UE4

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vinz243
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avatar image Lovecraft_K ♦♦ STAFF Sep 14 '15 at 08:02 PM

Hi vinz243 -

What are the Textures that you are using in your material? Are you using any textures found in the Engine or Plug-In Content? Have you added content from one of the Learn or Marketplace projects to your project? Are you using any textures which have not been imported into the engine correctly (via migrate option) and perhaps just copy pasted into the content folder from another project? Also has the project been converted up to 4.8 or created directly in 4.9?

If you can answer as many of those questions as possible I can try to help narrow down your issue -

Thank You -

Eric Ketchum

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2 answers: sort voted first

Is this a blueprint project? Ive heard rama say to search for all instances of "Transient" and then remove them.

When I get this error I make sure everything else is saved. Close the editor. Delete /saved/ and /intermediate/ and then restart the editor (and usually I just have to restart the editor)

Hope this helps Don't forget to accept an answer that best clears your question up or answers it so when the community finds your question in the future via search/google they know exactly what you did to fix it/get it going.

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answered Sep 14 '15 at 07:28 PM

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Nsomnia
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avatar image vinz243 Sep 15 '15 at 04:20 PM

The project is a BP one but the asset is a material.

Do I really need to delete saved and intermediate, thus havig to spend hours Distance Fields and Shaders to recompile?

avatar image vinz243 Sep 20 '15 at 10:53 AM

Solved the problem. There were more refs to transient than I thought.

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If you can t handle those recslculsting time your in forms world.of hurt nonoffense

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answered Oct 14 '16 at 05:19 PM

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Nsomnia
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