What should I do if I get the “Unable to start the game” (Error Code 51) error on Mac Steam?

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If you encounter Error Code 51 on Mac Steam, please try the following solutions:

[Verify the integrity of game files in Steam]
1. Launch the Steam client.
2. Go to your Library.
3. Right-click inZOI and select Properties.
4. In the Installed Files tab, click Verify integrity of game files.
5. Once the verification is complete, try launching the game again.

If the error persists after verification, reinstall the game or move it to a different disk and try again.

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