Poor feedback

08 October 2018 I paid RCP account in full and after 5 days I received paid up letter . but now last week on 17 October 2018 I paid my cheque account in full and requested a paid up letter , and I called them yesterday and they promised me that I will get paid up letter today 24 October 2018 , on my arrival at work this morning I received email from standard bank to my suprice when I open it its the same paid up letter that was sent to me last time RCP so I than called them this morning and explain a consultant said she is forwarding email I should get paid up letter before closing of business today 11:27 I received email from standard bank when I open it its the same letter again for RCP account , I called them again and the consultant checked on system and told me that she can see the mistake she will send email but unfortunately I will only receive paid up letter within 48 hours , no I wont accept that I waited 5 days now I must wait 48 hours this is not my faults lack of customer service. and 2nd consultant