New Masks

Since monday 24th Oct 2022 the mask affect which had been working ok started to pick seemenly random affects IE if i picked subject the masking affect was all over the place. pick the sky and i get. could not find sky. I have downloaded Version 12 but this problem is just the same

Hope someone can throw some light on this

Win10 pro

New Build computer Amd B550 + Ryzen7 + Radeon RX 6600 Graphic Card 8gb + 64gb memory + 980Pro 1tb PCle NVMe

Thanks

gb