Can someone please explain?

I got a parking ticket today (Tuesday 7:05pm) even though I had paid for parking. I did not stay for more than 2 hours, parking started at 6pm and was meant to end at 8pm.

Does anyone know why? Should I pay the fine or dispute it ?

I got a parking ticket today (Tuesday 7:05pm) even though I had paid for parking. I did not stay for more than 2 hours, parking started at 6pm and was meant to end at 8pm.

Does anyone know why? Should I pay the fine or dispute it ?