Technical Brake lights +one side lite not working

[bravobeauty]

Hi I have noticed that the brake lights plus one side light isnt working on my fiat sedici . Could anyone advise me please. The third brake light is working still.
Any help welcome as we have only just had the car. Cheers

 

[bravobeauty]

All sorted, Some numpty mechanic at the dealership had put all the bulbs holders back in the wrong spaces.