Constantly got "Error: Configuration Error: pluginsConfig.include-codeblock.unindent is not of a type(s) boolean"

I have never modified book.json file so I really don't know what is going on. It seems happended nowhere. Let me know how to start check the issue.

Thanks

Start with the reported book.json configuration error and inspect how the plugin reads the pluginsConfig.include-codeblock.unindent setting. Confirm why the setting is rejected as not boolean and verify that the configuration is accepted after the issue is addressed.

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