I really hate to be the one to tell you this, but it wasn't just the subscriber track that was broken after 7.0.1. For example I claimed the reward for day 29, which is one of the renown-items for Fen Zeil and it just disappeared, never reached my inventory, while the medals did. Since you did not roll back the normal track the reward is still marked as "claimed" and it seems I'm stuck without it. Since I know from last season that you need ALL of them to reach level 50 with the companion this is not funny and I don't want to spend a season coin for the missing stuff. I reported this issue, but the customer support just closed my ticket, saying "it will all be fixed with the next patch". So, I'm still waiting....