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Werk #4381: Fixed exception when WATO ruleset without main group definition exists

Component Setup
Title Fixed exception when WATO ruleset without main group definition exists
Date Feb 20, 2017
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.5.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.4.0b3 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

An exception "AttributeError ('NoneType' object has no attribute 'title')" could occur on WATO ruleset list pages when a custom Check_MK ruleset definition exists without previous register_rulegroup() call for the main group.

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