Thank you for taking the time to report this bug and helping to make Ubuntu better. The error that you are a reporting is a conflict between packages from the official Ubuntu archive and packages from a PPA. To resolve this situation please deactivate PPAs using the tool 'ppa-purge' which is provided by the ppa-purge package. Then try performing the release upgrade again. Thanks in advance!
Thank you for taking the time to report this bug and helping to make Ubuntu better. The error that you are a reporting is a conflict between packages from the official Ubuntu archive and packages from a PPA. To resolve this situation please deactivate PPAs using the tool 'ppa-purge' which is provided by the ppa-purge package. Then try performing the release upgrade again. Thanks in advance!