Hard Hold account

Good Day ive been trying since march to remove a hard hold on my account i have been phoning fnb probably 30 times ,sent mails 100 mail and get a response back we will contact you within 48 hours ,i even went to the branch and i dont get the help or answers im looking for. .so for 3months now i cant draw funds,recieve deposits and my debit orders are not been getting paid.all companies whics i have debit orders at want to now hand me over to their legal departments,My life policies ,Funeral policies and insurances has lapsed and worst of all my credit score is now so bad from 603 to 367 in not even 3monts time cannot ,Please can anyone advising me what documents i must provide or what must be done to take the E-6022 hard hold off my account Because everytime i phone ***** department they says suspicious ***** activity on my accountist .There was no ***** or Suspicious activity on the account .There was a large payment that was paid into my account that came from my pension Fund provider. i have all the email Conversations,Documents for the funds which i requested from ,and the approval documents with the finalized and payment proof from them where they confirmed that they paid it into my account and cornfirmed it was not *****.