Account bolk withouut notification

My ABSA banking account has been block because they need Fica documents according to them. The documents was supp**** when the account was opened. But the issue is that the bank has not informed me of any document they need. Only today when I want to used my account on internet banking I find out that I cannot used it. When calling ABSA they informed me I have not supp**** the relevant documents and that the account was blocked because of that. According to then their has been a sms send out in September which I have not received.