FNB just deducted R1549 from my account

FNB just deducted R1050 from my account, what are these charges for?

13 May 2021 -499.00 12 May 2021 #ITEM PAID NO FUNDS 7 ITEMS ON 21/05/ 7 ITEMS ON 21/05/11 -1,050.00

Truly unhappy with FNB right now.