This is what you claim to want to upgrade to the new version. When you get into trouble, don't cry and be sad. I want to laugh, you broken teeth. Ha ha ha ha
Please perform the following steps:
1- Stop the background running app (Tap on the left soft key and close all the running apps).
2- Settings > apps > tap on 3 dots > show system apps > camera > storage > clear cache.
3- Force stop the camera app (Setting > Apps > tap on 3 dots > show system apps > select the camera app > Force stop).
Forrest of the above mentioned issues, kindly register your concern in Samsung members app(Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
Team Samsung Members