Debt Recovery Plus - Bandits!

Only got this letter today, had no prior mail from them. The location is a hotel, where I pulled in to turn around, I must have been in the hotel car park less than 10 seconds. Literally, pull in, turn around and out again.

I notice on the letter it doesn't say FINE anywhere, it states i "didn't pay what you owe" all very third person/vague..

Where do I stand on this? Do I pay it, do I ignore it?

Cheers