I'm trying to install openConferenceware on the following Ubuntu v20. and when I run the following: gem "open_conference_ware", "~> 1.0.0.pre" I get invalid option open_conference any help would be awesome  Keith
I'm trying to install openConferenceware on the following
Ubuntu v20.
and when I run the following:
gem "open_conference_ware", "~> 1.0.0.pre"
I get invalid option open_conference
any help would be awesome
Keith