I did an early cance...

I did an early cancelation on the 25 of May wasn't done got wrong email address had to take of from work and phoned so many times and went to branch they have so many stories and then when they did do the early cancelation in Jun the 25 they keep in setting for more money and do debit orders for thousands of rand like today R2000 and something so what can I do? Very upset cause they are affecting my credit score...