annoyed

I'm so drained and tired of the service I'm getting with telkom I just wish my contract was over already. Telkom apparently sent a letter to nu debts stating that my account was in arrears where as my account for my contract is up to date I'm so tired of always having issues with telkom every single month if it's not about me being debited on the wrong date it's about me not being debited at all can telkom just fix the issue because when I phone I'm told my account is up to date but yet nu debt keeps sending me messages. It's my first time having a contract and I must say I'm having the worst experience ever..really upset and annoyed.