Exception occurred:
File "/home/docs/checkouts/readthedocs.org/user_builds/aspnet-aspnetapi/envs/latest/local/lib/python2.7/site-packages/sphinx/writers/latex.py", line 1564, in visit_index
for type, string, tid, ismain, key_ in entries:
ValueError: need more than 4 values to unpack
The full traceback has been saved in /tmp/sphinx-err-hDvybC.log, if you want to report the issue to the developers.
This is happening on PDF builds:
Looks similar to https://github.com/sphinx-doc/sphinx/issues/2490 -- guessing it is the same root cause.