Itunes sierra

[Blaster13]

bought album have sierra installed now iTunes says won't play and won't sync cause my Mac is not authorised!! Anyone run into this issue

 

[jonblatho]

If you haven't already, try just reauthorizing that machine. Account > Authorizations > Authorize This Computer…

Perhaps something got messed up during the upgrade process. If that doesn't work, I'm out of ideas.