Bad service

After submit all my doccuments for retrenchment cto Hollard insurance cover and edgar's plus notice them several times that I'm no longer working the keep on putting interest in to my account until I got cash and settle my account and close it on the 30/10/2020 but on the 08/11/2020 I received the statement that I'm owing R472,69 I don't know how,edgar's and Hollard are robbing people day lite I don't reccomend them to anyone even NCRC when you call they don't pick up your calls I was at edgar's city today they failed to help m even Hollard at Rissik and Fox also failed I'm so frustrated amount this matter seens September I'm not getting help