This is on Innsbruck

It shows one aircraft insufficient M tier but, the problem is I already open one M tier Stand, why is there M tier plane still insufficient?

You may have an M tier stand but do you have an M tier stand for cargo at the cargo terminal?

I know where to buy Passenger and cargo, I bought Passenger Stand not Cargo, wait are all C30J’s Cargo’s in this game?

Yep

Oh Now I have to do.