[www-scripts] Sphinx Doc Update: ERROR

[LLVM via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 27267.
UPDATING lld SOURCES
Updating '.':
U    COFF/Writer.cpp
U    COFF/ICF.cpp
U    COFF/MapFile.cpp
U    include/lld/Core/Parallel.h
U    unittests/CoreTests/ParallelTest.cpp
U    lib/ReaderWriter/MachO/LayoutPass.cpp
U    ELF/Threads.h
Updated to revision 302613.
make: *** No rule to make target `docs-lld-html'.  Stop.