DCs go to breakfast club at school 4 days a week. DS2 is in the same class as the child of the owner of the club (it's external rather than organised by school).
Because they changed their booking system over the summer (switched from paying in arrears to advance) I found myself short. I spoke to them and got a month's grace to straighten things out. I did so and messaged the owner in November to check I was completely up to date with payments and she confirmed I was.
Two weeks ago I got a message from them saying that I still owed them nearly £500 from September & I needed to pay it ASAP. I checked my bank and queried it. They then confirmed that they had tracked down the payment. No apology or anything for their mistake.
I logged on 2 weeks ago to pay this month's balance and have found that they're charging me an extra £200+ for November despite their own system showing this as paid in November. I've e-mailed them querying this but as yet haven't had a reply.
AIBU to not pay anything until they sort out their records? I'm going through all kinds of life stresses at the moment and could really do without having to double check everything constantly.