Losing Resources

Two of my alliance members have been losing resources produced on islands. While their resources vault are full, then they collected all, the resources on islands are reset to 0. One member is losing their ambrossia, and the other is losing wisdom. It this a bug?

In game:

SlaveWar

Hans Army

Hello Zeus, 

Thank you for reporting this issue to us. 

We will look into it. 

Sorry for the troubles. 

I get this with my ambrosia all the time.