Please follow the below mentioned steps in order to resolve the issue:
> Clear the Cache of the camera (setting>>apps>>camera>>storage>>clear data and cache).
> Perform the reset camera settings (Open camera app> Camera settings >reset setting).
> Run the device in safe mode.
> Stop the background running app (Tap on the left soft key and close all the running apps).
For further assistance, register your concern in Samsung members app (Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
