https://valkyrie.yoctoproject.org//#/builders/34/builds/9 make: inkscape: No such file or directory make: *** [Makefile:49: overview-manual/svg/bitbake_tasks_map.png] Error 127
Seems to be an issue with the autobuilder building all branches, even the contrib/ ones, while one branch is in development progress and known to fail.
Fixed by https://git.yoctoproject.org/yocto-docs/commit/?id=2d92de35e0029bf151c9a0c0e696a127cef14082
Closing the bug