Possible Overpayment to SFE

Hiya,

Wondering if you can help
Began an Access to HE degree in 2020, and applied for a loan as per process. Unfortunately due to the pandemic and various other personal issues, (not withstanding a full mental breakdown that I had to be moved half way across the country so family could keep an eye on me) I began to stop attending in several weeks in January 2021 before I made the decision to leave, in feb 2021 as I was in a bad, bad way.

For some reason, it has only stood out to me now, looking at my current payslip, to go and look at my SFE. I realise that despite the college agreeing to talk to SFE and me sending a letter to SFE, that I have an outstanding amount of over £4k (inc. interest) when the student loan was £3969.50 for the whole course. Realistically, SFE were paying the college £338.40 per month for my tuition, so really my loan should've only been £1,692. I have already repaid £600 through PAYE.

Am I able to contest this? surely, (bar interest) I should only have around £1092 left. How do I deal with this going forward?

Thanks!