Capitec forensic

Capitec bank flagged a ***** in my account and blocked. They also informed Fnb to block my account . I went to the bank to complain about my account. Capitec was very active and helpfull to remove the block in my account but my problem now is ... I asked them ( capitec forensic) to also email FNB to let them know they have lifted the block in my account but they have not to this day. My FNB account is a business account i need to pay my supplier i cant because my account is frozen. Please help me!!!!