Werk #4685: Fixed exception when trying to reset a global setting twice

Component Setup
Title Fixed exception when trying to reset a global setting twice
Date May 16, 2017
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.4.0b8 1.5.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

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