[www-scripts] Sphinx Doc Update: ERROR

[www-data via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 23047.
UPDATING cfe SOURCES
Updating '.':
At revision 353912.
Generating html Sphinx documentation for clang into "/opt/sphinx-docs/build/llvm/tools/clang/docs/html"

Warning, treated as error:
/opt/sphinx-docs/src/llvm/tools/clang/docs/AttributeReference.rst:1337:Bullet list ends without a blank line; unexpected unindent.
make[3]: *** [tools/clang/docs/CMakeFiles/docs-clang-html] Error 2
make[2]: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/all] Error 2
make[1]: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/rule] Error 2
make: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/rule] Error 2