Blueprint Validators may be missing

Development World Creation
,
7

What fixed the issue for me:

  1. Open Config/DefaultGame.ini
  2. Find
[StartupActions]
bAddPacks=True
InsertPack=(PackSource="StarterContent.upack",PackName="StarterContent")
  1. Comment both startup actions
[StartupActions]
#bAddPacks=True
#InsertPack=(PackSource="StarterContent.upack",PackName="StarterContent")
  1. Restart the editor.

The error is gone, and there seems to be no side effects.

Solution taken from this post: UE 5.4 editor startup keeps re-copying StarterContent - #2 by hoodshade

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