Board Thread:Troubleshooting/@comment-2001:569:BD62:7B00:3419:C72A:51E6:F5E-20170804030215/@comment-31939477-20170804052828

Agree with what TamTam said.

Also had this problem once and Apple resolved it without question. Make sure your settings require you to log in to iTunes to make a purchase. It's easy to "make a mistake" without having to login...