Zp confused

Hi just completed the tuesday TT race and come second this time it has disqualified me and give me zp this is about the 7th time I have completed the TT and the first time being disqualified nothing has changed apart from getting fitter can anyone explain help why this has happened just frustrating I know when you enter 3R races I always get this but first time on the TT ride.

They’ve changed the rules.

Thanks that’s nice of them nothing like moving the goal posts. All good cheers dave appreciated.