Camera layer will only affect all the layers that are 3D and it has no appearance in the active camera window. what you are seeing is probably related to a layer covering the screen in red by some parameter, or maybe a display issue - we can't be sure because we need to see your whole Ae interface and for you to provide details as what exactly is your setup, what is the Camera for and some system details while your at it (Full Os and Ae version numbers)
Oh well, this is just embarrassing... When put in my second clip, I didn't know it would be affected by editing done with the previous clip (first clip). And since the first clip was zoomed all the way in, the second clip started all the way zoomed in. And of course it zoomed in on a red wall giving me a pink images. Leaving me to believe that it was the camera layers fault.
My bad. So sorry for the trouble!
thanks for sharing what was it we live and learn with Ae everyday.