If you’ve taken out a loan and you’re worried that you won’t be able to meet repayments, the first thing you should do is contact your lender directly, as soon as possible. They will be able to discuss the details of your loan and financial circumstances, and work to offer you the best possible solution.
I’d also suggest giving this guide a read:
Loan Repayments: How to manage your loan
If you have concerns around your financial wellbeing, I would suggest visiting the Money Advice Service. They’re free to call on 0800 138 7777 and if you’re unable to call for any reason, they also offer an online chat service. They can also be contacted via Whatsapp messenger on +44 7701 342744.