I got zero tolerance for my O for 0 typo at the car park

Entering your registration number into a parking app can be fraught with danger. Photograph: GSTech/Alamy

I installed the PayByPhone app to pay for a full day’s parking during a family outing in Ealing, and was surprised to find a parking ticket when I returned hours before the expiry time.

I wrote to Ealing council with proof of payment and was even more surprised when it insisted I pay the fine, or go to court. It claimed there was a mistake in my purchase but gave no details.