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

Problem in your project's configuration. Invalid configuration option "build.os": build 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.