Thank you. I’ll probably repay all my debt by the end then which is good

Hi all, I agreed to an IVA in 2017 which valued my IVA at £7740, and was agreed to by my creditors. Over the last 4 years my monthly payments have risen to over double the initial payment, and as such, I’m now £500 short of the agreed IVA value. Is this right, as if I continue I will pay the total d...