Struggling with SUV quantification in ROI

Dear Team , I will be gratful for your help. I am trying to meaure the SUV for 3 ROI in PET MRI scans, Liver, spleen and pancreas. My PET-IndiC is not active , my quanative reporting extension is also not showing any test area or segemntation that I can fill to get the SUV value for my ROI. Can you please tell me what to do :upside_down_face:?