To hell with standard bank

In 2016 i app**** for a loan at standard bank then it approved then 2017 i settled the loan account then 2019 received a call from standard bank saying i owe them R2 300 i told them that i settled the account then the they told me that it was a revolving loan so i had to close it so it accumulated interests ohk then come 2020 april the 20th i payed R3400 at Taung standard bank then after i asked that constant to close the account then he said its closed ohk then i left...Then last year 2021 standard bank called again and i told the lady that i settled the account and i have the proof of payment then they stopped calling..early this year Nimble collect group called and told me that standard bank handed over my account to them i called standard bank to confirm and it was the truth then we arranged for debit order monthly payment ..around June Nimble group (Thato Modutlwa)called and said if i pay R1844 the account will be settled then the very same day i payed R1850 then Emailed the proof of payment to Thato Modutlwa using the *** then she said ill get the paid up letter in 14 to 21 days and until today i haven't received one...i tried to call they either dont pick up calls or they will pick up ask me for my personal details then ill wait untill they drop off my call...then i tried to standard bank then they said i must wait they transferring me to the relevant department i waited until it drop it self off ...then i tried to complain on the standard bank page on Facebook they never rep**** my comment then i went ro Facebook messenger then the said its not their responsibility to call Nimble collection group but they are the one who handed my account to them...and to my surprise i owe them R712 again