No service from Both nedbank and FNB

I had a very bad experience in trying to get some assistance since the 30th of July 2018 I have made a payment via the internet from my Nedbank account to my Discovery Credit card however i did not choose the correct beneficiary and paid the incorrect account. twice the first payment was paid on the 29th of June 2018 for an amount of R 5000.00 and then again on the 30th of July 2018. that's only when i realized the error i have made in paying the incorrect beneficiary( i paid the funds directly into my closed FNB bank account and since then i have been to Nedbank branch in Illovo on the 30th of July and was assisted by the branch manager called Tebogo Mosoka , She send an internal email to assist and came back to me yesterday saying there are no funds in their suspense account and cannot assist me. But before all that I too when to FNB hyde Park and they said that they cannot assist as my account is closed and my bank should handle my query. I then call the call centre in FNB spoke to Sande Mlethe and again she said my current bank should assist, Please can I get some help