Why my Remote Stand has Security problems?

[EG0611]

You can use this tutorial about remote stands

Airport CEO 28.5.0 Remote Stands Video Tutorial [Construction, Required Vehicles, Activation]

AirportCEO 28.5.0 Remote Stands Video Tutorial [Construction, Required Vehicles, Activation] Have fun [AirportCEO 28.5.0 Remote Stands Video Tutorial [Construction, Required Vehicles, Activation]]