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Warning on opening UE 4.6.1 project's level on UE 4.9


I've totally developed my project on UE 4.6.1 and I opened it on UE 4.9 There is no problem with opening the project but when I want to open a specific level the following warnings will occur : "Externally referenced"

Please help me guys. thanks in advance.

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Product Version: UE 4.9
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asked Oct 13 '15 at 05:34 AM in Blueprint Scripting

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Hello SinaThr,

Usually when the Externally Referenced warnings pop up after upgrading to a new engine version, it's due to the engine content / starter content / template assets, etc. These are included with the engine itself so it may be trying to reference ones from the previous version of the engine. If you're using any of these, try migrating the assets from the new version that you're using. If all else fails, you can also try migrating your own assets into a brand new project in the new engine version and see if the problem persists.

Hope this helps!

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answered Oct 13 '15 at 10:00 PM

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