Ah could actually be a bug. We’ll report back once we’ve had a closer lookDo you have SSH access?
If so you might want to run a recursive grep likegrep -rl "selector" src/addonsto find which Add-on might be causing this.
This might return quite a few false positives though.
@Chris D
The error message is not exactly thaat helpful, it therefore might be useful to includeoption_idin phrase
following_sub_options_unknown_xso the message becomes somt. like
This way it would be easy to identify the Add-on (without searching / guessing).