Build Failed!

02 Feb 2026 01:50:09 UTC
Unless all site previews are broken, this is a problem with the sphinx-theme package.
Configuration
{'html_theme': 'stanford_theme', 'html_theme_path': "[sphinx_theme.get_html_theme_path('stanford-theme')]"}
Output
======================================== stdout ========================================
Running Sphinx v9.1.0
loading translations [en]... locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist
locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist
done
making output directory... done
locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist
loading intersphinx inventory 'sphinx' from https://www.sphinx-doc.org/objects.inv ...
intersphinx inventory has moved: https://www.sphinx-doc.org/objects.inv -> https://www.sphinx-doc.org/en/master/objects.inv
locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist
building [mo]: targets for 0 po files that are out of date
writing output... 
building [dirhtml]: targets for 23 source files that are out of date
updating environment: locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist
[new config] 23 added, 0 changed, 0 removed
reading sources... [  4%] index
reading sources... [  9%] kitchen-sink/admonitions
reading sources... [ 13%] kitchen-sink/api
reading sources... [ 17%] kitchen-sink/blocks
reading sources... [ 22%] kitchen-sink/domains/api_c_domain
reading sources... [ 26%] kitchen-sink/domains/api_cpp_domain
reading sources... [ 30%] kitchen-sink/domains/api_javascript_domain
reading sources... [ 35%] kitchen-sink/domains/api_python_domain
reading sources... [ 39%] kitchen-sink/domains/api_restructuredtext_domain
reading sources... [ 43%] kitchen-sink/generic
reading sources... [ 48%] kitchen-sink/images
reading sources... [ 52%] kitchen-sink/index
reading sources... [ 57%] kitchen-sink/lists
reading sources... [ 61%] kitchen-sink/really-long
reading sources... [ 65%] kitchen-sink/structure
reading sources... [ 70%] kitchen-sink/tables
reading sources... [ 74%] kitchen-sink/typography
reading sources... [ 78%] long-page
reading sources... [ 83%] placeholder-four
reading sources... [ 87%] placeholder-one
reading sources... [ 91%] placeholder-three
reading sources... [ 96%] placeholder-two
reading sources... [100%] really-long-title

looking for now-outdated files... none found
pickling environment... done
checking consistency... done
preparing documents... done
copying assets... 
copying static files... 
Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/language_data.js
Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/basic.css
Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/documentation_options.js
copying static files: done
copying extra files... 
copying extra files: done
copying assets: done
writing output... [  4%] index

======================================== stderr ========================================
WARNING: autodoc: failed to import 'all_in_one_restructuredtext'; the following exception was raised:
Traceback (most recent call last):
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/ext/autodoc/_dynamic/_importer.py", line 131, in _import_from_module_and_path
    module = _import_module(module_name, try_reload=True)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/ext/autodoc/_dynamic/_importer.py", line 218, in _import_module
    raise ModuleNotFoundError(msg, name=modname)  # NoQA: TRY301
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'all_in_one_restructuredtext'
 [autodoc.import_object]
/home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/kitchen-sink/blocks.rst:138: WARNING: Include file '/home/runner/work/sphinx-themes.org/src/furo/__init__.py' not found or reading it failed [docutils]
/home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/kitchen-sink/lists.rst:202: WARNING: Include file '/home/runner/work/sphinx-themes.org/src/furo/__init__.py' not found or reading it failed [docutils]

Theme error!

Versions
========

* Platform:         linux; (Linux-6.11.0-1018-azure-x86_64-with-glibc2.39)
* Python version:   3.12.3 (CPython)
* Sphinx version:   9.1.0
* Docutils version: 0.22.4
* Jinja2 version:   3.1.6
* Pygments version: 2.19.1

Last Messages
=============

    Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/language_data.js
    Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/basic.css
    Writing evaluated template result to /home/runner/work/sphinx-themes.org/sphinx-themes.org/public/sample-sites/sphinx-theme/_static/documentation_options.js
    copying static files: done
    copying extra files...
    copying extra files: done
    copying assets: done
    writing output... [  4%]
    index

Loaded Extensions
=================

* sphinx.ext.mathjax (9.1.0)
* alabaster (1.0.0)
* sphinxcontrib.applehelp (2.0.0)
* sphinxcontrib.devhelp (2.0.0)
* sphinxcontrib.htmlhelp (2.1.0)
* sphinxcontrib.serializinghtml (2.0.0)
* sphinxcontrib.qthelp (2.0.0)
* sphinx.ext.autodoc (9.1.0)
* sphinx.ext.extlinks (9.1.0)
* sphinx.ext.intersphinx (9.1.0)
* sphinx.ext.napoleon (9.1.0)
* sphinx.ext.todo (9.1.0)
* sphinx.ext.viewcode (9.1.0)

Traceback
=========

    Traceback (most recent call last):
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/cmd/build.py", line 432, in build_main
        app.build(args.force_all, args.filenames)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/application.py", line 442, in build
        self.builder.build_update()
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 381, in build_update
        self.build(
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 460, in build
        self.write(docnames, updated_docnames, method)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 748, in write
        self.write_documents(docnames)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 762, in write_documents
        self._write_serial(sorted_docnames)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 777, in _write_serial
        _write_docname(docname, env=self.env, builder=self, tags=self.tags)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/__init__.py", line 890, in _write_docname
        builder.write_doc(docname, doctree)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/html/__init__.py", line 665, in write_doc
        self.handle_page(docname, ctx, event_arg=doctree)
      File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/.nox/publish/lib/python3.12/site-packages/sphinx/builders/html/__init__.py", line 1232, in handle_page
        raise ThemeError(msg % self.config.html_theme) from None
    sphinx.errors.ThemeError: The 'stanford_theme' theme does not support this version of Sphinx, because it uses the 'style' field in HTML templates, which was  was deprecated in Sphinx 5.1 and removed in Sphinx 7.0. The theme must be updated to use the 'styles' field instead. See https://www.sphinx-doc.org/en/master/development/html_themes/templating.html#styles


The full traceback has been saved in:
/tmp/sphinx-err-949a2tn_.log

To report this error to the developers, please open an issue at <https://github.com/sphinx-doc/sphinx/issues/>. Thanks!
Please also report this if it was a user error, so that a better error message can be provided next time.