Reversal please

Good day

Can you please reverse my debit order ,I have apply for covid 19 cash flow it was approved ,so my debit went off this morning ,didnt received full salary I need to pay my rent its due on the 30 please reverse my debit :FNB: Your payment break is activated. Debit order/s may still go off your main acc which will be corrected in due course. FNB a div of FRB Ltd NCRCP20&FSP3071