DCS 2.7.11.22211 Open beta ,Error in flight control system or aerodynamic model or engine thrust data.The plane cannot take off from the land airport.Even if all runways are used, the aircraft cannot accelerate to takeoff speed.The takeoff trim angle of the flight control system cannot be maintained at 12 °. As the speed increases, the trim angle automatically increases and cannot be controlled.This error exists for both no-load and full load.Test airport:kobrej.