wind structure also have bug when destroy
Error while running event pyalternativeenergy::on_ player mined_ entity
(ID 67)
__pyalternativeenergy - /control.lua:445: attempt to index local 'mill (a
nil value)
stack traceback:
__pyalternativeenergy _ /controllua:445: in function
< _ pyalternativeenergy /controllua:428>
