Notification Error Between Worlds


I have the latest version of the iOS app. When I get a new report, message, or forum message on one world, it will show up as a notification on the messages or reports button. When I click into it, there are no new reports or messages, but the indicator remains until I check it on the other world.
I'm playing on US11. I've checked all reports and all messages and have no unread ones. An indicator "1" of a new message comes up. I click into it and still see no new messages. I close the mail window and "1" still remains. I log into US6 and see a "1" mail indicator. Somehow, the game was notifying me on US11 of mail I received on US6.