Afghan SIV Case

I have an SIV Case right now with Come designee under review but my question in August 2020 is when foreign Countries withdraw their troops from Afghanistan and the United States announced they will help with Afghan Allis In 2008 I worked as a Safety and Health Officer for ECCI Company in Afghanistan in August 2020 I emailed to the deportment of HR to issue me hr letter and find me my supervisor that I have worked him in Afghanistan but unfortunately the HR manager told me that I have worked with a supervisor passed away two years ago and we can not qualify you for SIV what can I do please information me