Thank you for all the replies
all are helping so many in need of help and can be very confusing
My brain has not yet recovered fully but little better than how it was
I have been checking the website and today, it says ...

I have not yet received the letter from them.
I cannot believe I had lost the discount now I might have to pay extra for stupidly try to ask to be let off..
Am I stupid or the information was misleading to let me think I was allowed to informally challenge it in the first instance without losing the discount???
The call centre was unable to help and then closed, the chat bot system was not helping as it was going in the circle, there was no where to ask for guidance,
There are too many signs on the road added and added, they are un noticeable, unclear, misleading, confusing and rules change according to the borough, it is made to trick people to make mistakes so they can force the fine to make money?
some are time restricted if you don't have access to a watch, no way of knowing.
It is no difference to phishing online.