Frustrated with FNB

I wrote a review about information about my temporary loan not being updated at Transunion. FNB came back and said that the information was sent the issue was with Transunion.Nothing has been fixed even today so in other words Fnb could not help me and made it look like it was above their control. To my biggest shock today FNB now shows this account which i settled in October as being 1 month in arrears on my fnb app under the Navigate life feature which FNB has added for its clients . This is just shocking because i try to keep my accounts up to date but due to inaccurate reporting I now have to be viewed as a client that falls on a different category. If You have updated on your side and the issue was sitting with transunion then why use the same inaccurate info to assess my profile.I have lodged a dispute with Transunion regarding this but now its really confusing as who is not reporting the right information. Can i have this escalated and resolved as i am highly frustrated at the moment.