SAAB 9-3 TRANSMISSION PARK

I Have A '02 9-3 Saab Convertible. The Gear Shift Will Move But The Car Stays In Park. The Light Indicator On The Panel Stays On Park....

I Have Just Purchased This Used Car 10 Months Ago And I Do Not Drive It Very Much-2nd Car-but I Had It On A Trip Last Week And It Wouldn't...