[Shipping Build Error] Failed to open descriptor file …/…/…/RemappedPlugins/game.uproject

Development Platform & Builds
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For anyone having the same issue, I found a temporary solution that lets the game run, though I’m not sure if it’s the expected behavior.

Here’s what worked for me:

  1. Disable “Use Pak File” and “Use Io Store”:
    In the Packaging options, I disabled “Use Pak File” and “Use Io Store”. This means the game won’t be packaged into a single .pak file, and instead, uses a more traditional file structure.

  2. Packaging Settings:
    I still encountered an error after packaging, so I made sure to enable “Cook everything in the project content directory” and “Full Rebuild” in the Packaging options.

  3. Fixing the Missing Shader Library Error:
    After packaging, if you get the error about missing shader library files (Game files required to initialize the global shader library are missing from: YourBuildFolder/Windows/RemappedPlugins/Content/), there’s a workaround:

    • With the .exe file, there should be a folder named after your game and a RemappedPlugins directory.
    • Move the “Content” folder from your game directory into the RemappedPlugins directory.

After doing this, the game runs without issues. It might not be the perfect solution, but it works for now.