Hello and welcome to Apple Support Communities, ersin227.
If we understand your post correctly, you're seeing a hardware message on your iPhone that the camera could not be verified. We’d like to help.
We see you were viewing "About Genuine iPhone cameras" which has information about this message. If you are not experiencing an issue using your camera you may be able to just safely dismiss the message. If that alert continues to pop up, or you experience an issue with your camera, you may consider reaching out to Apple Support directly as your next step: Get Support
Thanks for using the Apple Support Communities.