Capitec, mistake deposit

Hello Peter, I am a Capitec client. I made a deposit of R3000 mistakenly to the wrong account of another capitec. I called the guy asking if he could transfer it back, he refused. I went to the bank they said the money is already withdrawn. So basically I could not get assistance. All the money is gone just like that. The bank also told me that I can get the money only if the guy is willing to return it back. I went to the police station to report a case the police told me that they cannot assist me there's no case because I deposited the money myself.