credit card decline - debt review

i app**** for nedbank credit card more than a month ago , which went through to their call centre for capturing . I received numerous amount of calls requesting information which was given on more than one occasion , I then received 2 smss to say my application was declined , about 2 weeks after that I received another call from the call centre advising that they need more information to process my request , this after I had already received correspondence that I was declined . today I receive a letter from nedbank saying that I was declined because I am under debt review ... where the hell do you get that information ? I exited from debt review many years ago and have bought a car and 2 houses since ... I have also app**** for a nedbank loan after that which was approved I settled the loan last year . so how the hell can I be under debt review ? please get competent staff