This is an unsupported release now. Please think to install the next LTS
'Bionic 18.04'
http://cdimage.ubuntu.com/lubuntu-next/daily-live/current/
https://www.omgubuntu.co.uk/2018/02/ubuntu-18-04-minimal-install-option
** Changed in: mysql-5.7 (Ubuntu)
Status: Incomplete => Invalid
--
Thank you for taking the time to report this bug and helping to make
Ubuntu better.
Since it seems likely to me that this is a local configuration problem,
rather than a bug in Ubuntu, I'm marking this bug as Incomplete.
If indeed this is a local configuration problem, you can find pointers
to