Dear Samsung Member,
Greetings from Samsung Customer Support!
To resolve "camera" issue kindly follow the given below steps:
1. Reset the camera settings:- Tap on Camera > Settings > Reset settings > Tap on Reset.
2. Check device in safe mode:- Using Safe Mode on a Samsung phone allows you to force the device to run the essential operating system, and disable most 3rd party applications.
To enter in safe mode: Press and hold the Power key, when Power off icon appears>Press and hold the power off icon.
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