[www-scripts] Doxygen Doc Update: ERROR

[LLVM via www-scripts]

UPDATING /opt/doxygen-docs/src/llvm-project
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   6ff439b..b2b6a54  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to b2b6a54f847f33f821f41e3e82bf3b86e08817a0.
Generating Makefiles
./doxygen_update.sh: line 48: cd: /opt/doxygen-docs/build: No such file or directory
CMake Error: The source directory "/opt/doxygen-docs/src/llvm-project" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.