The issue is affecting any repeatable quest. This includes quests in Moria, Lothlorien, and the Ettenmoors.
Any repeatable quest that you had open when book 8 went live should be cancelled. If you complete it and turn it in it will reset the counter on that quest. For places like Lorien and Moria this isn't as large an issue as those quests do not grant deeds or items for the most part and you cannot lose anything proviously earned.
In the Ettenmoors however, it will reset the counters on your deeds and map progressions. You will not lose maps you've already earned but you will lose progress towards the next set and have to start over.
Cancel any repeatable quest you currently have open and you'll avoid the issue.