Dear Samsung Member,
Greetings from Samsung Customer Support!
To resolve "Camera"issue kindly follow the given below steps:
1)Reset camera settings: Camera > Settings > Scroll up > Reset settings > Tap on Reset.
2) Safe mode : Power off the device > Press and hold the Power key for one or two seconds to turn on the device > When the Samsung logo appears, press and hold the Volume down key.
Note : To exit safe mode restart the device .
If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.
Thank you for writing to Samsung.
Samsung Customer Support