Werk #19091: Fix possible ValueError on user notification rules

Component

Notifications

Title

Fix possible ValueError on user notification rules

Date

Mar 10, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.6.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p24 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Previously, user notification rules using custom notification scripts with the option "Call with the following parameters" caused a ValueError when matching. This prevented the notification from being sent. This has been fixed.

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