Checkmk Werk 12214: Fix adding label conditions in rulesets

ID: 12214 Title: Fix adding label conditions in rulesets Component: Multisite Level: 1 Class: Bug fix Version: 2.1.0i1 If you used the option "Add label condition" in rulesets and entered a key:value pair, a new input field for another label appeared. After filling in the next key:value pair, an error "Only one tag allowed" was shown. This has been fixed, no new input field will be added now.