I don't know if this is the right place to post this but I need help and it's very urgent.

Hello I just had an issue with gtbank atm yesterday 30 July 2020 at 4:30pm at their branch in dugbe Ibadan, I know its not yet the stipulated 24hrs I was told my money will be reversed cos i tried to withdraw ₦19000 with a gtbank card via gtbank atm, I was debited but the atm didn't dispense money for me waited for close to 20mins bfr the atm finally ejected my card and started displaying out of service. Pls incase they don't eventually reverse it bcs their was a public holiday yesterday & today(being eid El kabr) and there is the weekend coming up tomorrow so I know I will have to wait till Monday to go over to the bank to make complaints .... Pls what are the necessary procedures to go through to fast track the reversal as this is my salary for the just ended month of July and I need it urgently to sort out myself.