Project Settings not saving or updating (reset after restart)

Hi everyone,

I’m currently experiencing a persistent issue with Unreal Engine where my Project Settings are neither being saved nor properly applied.

No matter what settings I change, they do not take effect during editor runtime. Additionally, after restarting the editor, all changes are completely reset as if nothing was ever modified.

Here are some additional details:

  • Engine Version is 5.7.4

  • Changes in Project Settings appear in the UI (checkboxes, values, etc.), but they have no actual effect

  • Settings are not applied during runtime

  • After restarting Unreal Engine, everything reverts back to the previous/default state

  • This issue only occurs in this specific project (other projects work fine)

  • The issue persists across different machines

I’m using Git for revision control, but entirely outside of Unreal Engine (not integrated as the built-in revision control system). Git does not detect any changes when modifying Project Settings, which is unexpected.

Important notes:

  • I’ve already tried deleting and rebuilding the project multiple times

  • I verified that all files and folders have proper write permissions (nothing is read-only)

  • This Git workflow has been used across many projects before without any issues

  • I also tried exporting and re-importing Project Settings as a workaround, but while changes appear in the UI, they still have no effect at runtime

At this point, we’re effectively blocked from continuing development since we cannot modify any Project Settings.

Has anyone encountered similar behavior or has an idea what might be causing this?

Any help would be greatly appreciated.

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