Hi @magret I could picture that so easily. Felt for you.
It seems that the very first time that some users open a collaboration they se the error message. To avoid that I have had them open office.com first in another tab, the open Canvas in another tab from where they access the collaboration. It seems to work fine then. BUT, it's a matter of managing that with multiple first timers. Might I suggest doing it with individuals or small groups first, or asking your TA for support? Even students are learning at home then instructions to parents to support will be essential.
Once Collaborations are up and running I LOVE them. It's just getting over the first hurdle that hurts.
Sing out if you need a hand.
This discussion post is outdated and has been archived. Please use the Community question forums and official documentation for the most current and accurate information.