Problem in your project's configuration. No default configuration file found at repository's root. See https://docs.readthedocs.io/en/stable/config-file/

Problem in your project's configuration. Invalid configuration option "build.os": os not found

The configuration file required to build documentation is missing from your project. Add a configuration file to your project to make it build successfully. Read more at https://docs.readthedocs.io/en/stable/config-file/v2.html

We encountered a problem with a command while building your project. To resolve this error, double check your project configuration and installed dependencies are correct and have not changed recently.

Problem in your project's configuration. No default configuration file found at repository's root.