Error
{#
I'd like to use ``build.error|urlize`` here, so we can have nice links.
However, this is not possible because we are using `data-bind="text: error"`
which means that Knockout.js will use the `.error` attribute to fill
the content of this tag dynamically.
#}
Problem in your project's configuration. Invalid configuration option "python.system_packages". This configuration key has been deprecated and removed. Refer to https://blog.readthedocs.com/drop-support-system-packages/ to read more about this change and how to upgrade your config file.
