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.
#}
Command /home/docs/checkouts/readthedocs.org/user_builds/fiscalyear/envs/latest/bin/python -m sphinx -T -E -W --keep-going -b html -d _build/doctrees -D language=en . _build/html failed:
Running Sphinx v1.8.6
loading translations [en]... done
Traceback (most recent call last):
File "/home/docs/checkouts/readthedocs.org/user_builds/fiscalyear/envs/latest/lib/python3.7/site-packages/sphinx/cmd/build.py", line 303, in build_main
args.tags, args.verbosity, args.jobs, args.keep_going)
File "/home/docs/checkouts/readthedocs.org/user_builds/fiscalyear/envs/latest/lib/python3.7/site-packages/sphinx/application.py", line 215, in __init__
'be built with this version.') % self.config.needs_sphinx)
sphinx.errors.VersionRequirementError: This project needs at least Sphinx v4.0 and therefore cannot be built with this version.
Sphinx version error:
This project needs at least Sphinx v4.0 and therefore cannot be built with this version.