Please perform the following steps to resolve the issue:
1- Go to settings > general management > reset > reset settings.
2- Check the Picture size in camera settings and set aspect ratio.
3- Turn on/off the Auto Flash.
4- Reset camera settings (Open camera app > Camera settings > reset settings).
5- Check the mentioned issue in safe mode.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > click on “+“icon > send feedback > error report/ask questions).
Team Samsung Members