I'm trying to upgrade my system and encountered an error. I hope you can help me.
This was likely caused by:Unofficial software packages not provided by UbuntuPlease use the tool 'ppa-purge' from the ppa-purgepackage to remove software from a Launchpad PPA andtry the upgrade again.
apt.log: https://pastebin.com/qmetTycU
main.log: https://pastebin.com/WD2VFHNG
How can I solve this?
Kind regards