Invalilde Camara Object???

Im working on specific camera angles for my chess age, which actually turned out good so far but when I export I get this window

I click No, it exports, the camera is not disabled, but it pops up every time I export. Is there any way of turning this window off?

I click No, it exports, the camera is not disabled, but it pops up every time I export. Is there any way of turning this window off?