I am getting a message about my camera not being an original Apple part

Hello Aymann1977!

You should never post your personal info on a public site!

Please tell us about the history of your device. Who did you buy it from? Do you recall ever having (hardware) work done on it?

This link may also be of assistance: About genuine iPhone cameras - Apple Support.

Looking forward to your reply!

It is hard to know. The best thing you can do now, is to have your camera inspected. See: Genius Bar Reservation and Apple Support Options - Apple.