Werk #13305: Fixed exception when using BI acknowledgments/downtimes in GUI

Component	BI
Title	Fixed exception when using BI acknowledgments/downtimes in GUI
Date	May 11, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0b9 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The buttons Acknowledge problems and Schedule downtimes did not work on an aggregation page.

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