Its just a software issue.dont worry it will get solved.

tried everything from error section but problem didn't solve.

tried everything but no use. Trying to sell my s7.

Samsung has released oreo for s7 and s7 edge its awesomely working on it but sill it needs some bug fix and stability improvements. So i request samsung to release a bug fixes and stability improvement update for both the mobiles.

oreo update.