Sometimes the special offers contain resources intended for the Treasury or Treasure Trove.
For example, this one:
We kindly ask you to carefully check what you are buying before any purchase in order to avoid such situations
Unfortunately, we cannot distribute resources from the townships to players on our own without the Leader's knowledge, even if these resources were acquired personally by you. Only the Leader or assistants can manage the resources from the Township.

If you purchased the special offer for the Township by accident, you can contact the Leader in the in-game chat and agree on how to use those resources.