Werk #13542: Fix internal error if HW/SW filter is applied in a host view

Component	User interface
Title	Fix internal error if HW/SW filter is applied in a host view
Date	May 4, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.0.0p25 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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