Thread:Extension talk:ChapTimeline/Can anyone post detailed instructions on how to install this extension?/reply

Your install/setup and query look OK to me.

FI, My queries below are now void in that I have the extension working fine. I just need some enhancements to be coded by the author (or somebody) before converting fully from the Simile-based ResultFormat.

My only suggestions involve versions. You do need the latest SMW + validator (which I think is now bundled by the Composer install process) Also the latest ChapTimeline code from Git.