Deposit without reflecting in my account

This morning I deposited twice R50 to play. The second one does reflect on my bank statement but it doesn't reflect in my mzansibet account. I withdrew a R100 which is still pending . But my question is what happened to the 2nd R50? I had a chat with one of their consultants which keep on telling me I did play with it which I know I didn't. Before I deposit again it's shows 37c after my withdrawal so I deposited R50 and it doesn't reflect in my account ...what do I do in this way?