Werk #4678: Availability reports: Fixed possible exception when working with empty data

Component Reporting & availability
Title Availability reports: Fixed possible exception when working with empty data
Date May 11, 2017
Checkmk Edition Checkmk Enterprise (CEE)
Checkmk Version 1.4.0b7 1.5.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

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