Bad service ever

I had a very bad expirience with FNB, I doubt they mistreat me because I'm not an FNB banker. Apparently I deposited the money on the atm on the 4/8/2020. And some of the money that I deposited was eaten by the machine. An FNB consultant advised me to report the incident inside the bank. I did but didn't help cause even today my query haven't been resolved. I feel like they are robbing me because they are buzy procrastinating in order to assist me. Hence I'm a superior and understand customers need and Do all follow up. I'm 100% sure that this is want they normally do to customers. Im complaining to hello Peter because my query took almost the whole month.