Bad Home loans experience!

Standard Bank Home loan south Africa - Our house was registered on the 25th of January 2022, on the 4th of April 2022 I received an email from debt collectors saying that I am in arrears for the amount we purchased the house for.

After emailing them back and calling the bank about this matter, I am still receiving +- 8 calls a day saying that I am in arrears and I need to contact the bank urgently.

How is it possible for a bank not to check THEIR contracts and paperwork that states that the house was purchased after 30 years and not 8 days?

I am literally being harassed at work with all the calls to our landline about this matter.

It is the worst experience I have ever had!