Not a bug: Free Account Manager

[Deleted User - 1452837]

I arrived 250 Villages, then i got 2 Message

Subject Free Account Manager Rename
Sent Feb 28, 2014 11:37:48
Congratulations,
You have now more than 250 villages. You now have the chance to try out the Account Manager for free for 3 days.
If you already have an active Account Manager you can extend it for free.
» Free AM
Enjoy!

Subject Free Account Manager Rename
Sent Feb 28, 2014 21:22:18
Congratulations,
You have now more than 100 villages. You now have the chance to try out the Account Manager for free for 3 days.
If you already have an active Account Manager you can extend it for free.
» Free AM
Enjoy!

why i get both Messages at the same day?