Green screen shows instead of image while using Sony a6600 as webcam, Help!

[Ronaldo1]

Hi all,for the past 2 days i can't stream as my obs would connect to sony camera with image .The connection light is on but instead of video images i see all green screan(i don use green screen at all). I dont know is paid software are any good but i have been using OBS for over a year and having no real issues .What is the problem now? Am usimng a mac book pro .Thanks