Hello Quentin, when I run ./run-docs-build "$PWD/build" "$PWD/yocto-docs" "$PWD/bitbake", I get the error below
In an attempt to generate the docs using auto-builder-helper tool

tar (child): /home/abongwa/Pictures/docbook-archives-20201105: Cannot read: Is a directory
tar (child): At beginning of tape, quitting now
tar (child): Error is not recoverable: exiting now
xz: (stdin): File format not recognized
tar: Child returned status 2
tar: Error is not recoverable: exiting now