Highly upset 😡 Fnb ****

Could someone please EXPLAIN TO ME WHAT IS ITEM NOTPAID MEAN BECAUSE THE EXPLANATION I GOT FROM A AGENT IS UTTER BULL****!! FIRSTLY I HAVE A GOLD BUSINESS ACCOUNT WHY THE HELL WILL I PURCHASE A ITEM WHEN I DONT HAVE MONEY!!! WHICH BANK ALLOWS TRANSACTIONS TO GO THROUGH WHEN THERE IS NO MONEY I ALWAYS CHECK MY ACCOUNT B4 I BUY ANYTHING SO I KNOW *** IM DOING THEN I GET TOLD I HAD NO MONEY IN MY ACCOUNT WHEN THE ITEM WENT OFF PLEASE TAKE ME TO THIS ****ING PLANET THAT ALLOWS YOU TO SWIPE FOR THINGS WHEN THERE IS NO MONEY WHAT **** ARE UL TRUING *****ING MONEY FROM CLIENTS THINK WE SO DAMN STUPID WE DONT KNOW ABOUT BANKING THIS IS NOT THE FIRST TIME ITS BEEN DONE NUMEROUS TIMES WHEN I GO INTO THE BRANCH I GOT TOLD FROM A CONSULTANT THAT **** WHICH TO ME DONT MAKE NO SENSE NO WHERE IN THE WORLD CAN YOU BUY SOMETHING WHEN U GOT NO MONEY !!!! PLEASE CONTACT ULS FORENSICS DEPARTMENT TO SORT OUT THIS PROBLEM AS I FEEL IM GETTING ****MED FOR MY OWN MONEY WHICH WILL LEAVE ME NO CHOICE BUT TO SUE UL IF UL THINK IM ONE OF THOSE PEOPLE WHO KEEP QUIET WHILE MONEY JUST GOES OFF UL GOT ANOTHER THING COMING ! IL POST ON ALL SOCIAL MEDIAS TO LET SOUTH AFRICANS KNOW UL EMPLOY TSOSTSI THAT ***** MONEY FROM OUR ACCOUNTS I WILL BE CLOSING MY BUSINESS ACCOUNT UL ARE UNPROFESSIONAL AND DONT KNOW *** UL DOING