Werk #4397: Views: Fixed datasource KeyError exception

TitelViews: Fixed datasource KeyError exception
Datum2017-02-24 10:20:38
Checkmk EditionCheckmk Raw Edition (CRE)
Checkmk Version1.4.0b3,1.5.0i1,1.2.8p18
LevelTrivial Change
KlasseBug Fix
KompatibilitätKompatibel - benötigt kein manuelles Eingreifen

When e.g. a Event Console related view was added to a dashboard and then the Event Console was disabled or that site, this could lead into a KeyError exception when rendering the dashboard, because the datasource was not existant anymore.