Board Thread:Current Major Glitch Discussion/@comment-77.188.56.131-20161119101449/@comment-29259087-20161119142904

Yep, you're not alone. The good news is it'll still give you credit for the entire collection quest after you find the final item in the collection. You don't have to combine the collection a second time to get credit. I was very relieved to discover this because I hate having unfinished tasks. :)