[www-scripts] Sphinx Doc Update: ERROR

[LLVM via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 1426.
UPDATING lld SOURCES
Updating '.':
U    ELF/MapFile.h
U    ELF/MapFile.cpp
Updated to revision 303368.
make: *** No rule to make target `docs-lld-html'.  Stop.