Success! Making the changes suggested by Olivier worked for me. prior to that I had the same error as in https://bugs.launchpad.net/ubuntu/+source/curtin/+bug/2017304 (or at least it looks the same to me) thank you
Success! /bugs.launchpad .net/ubuntu/ +source/ curtin/ +bug/2017304 (or at least it looks the same to me)
Making the changes suggested by Olivier worked for me. prior to that I had the same error as in https:/
thank you