Werk #16802: Synthetic monitoring: Fix crash in "Robotmk scheduler (Windows)" bakery rule when attempting to save with invalid settings

Component

Setup, site management

Title

Synthetic monitoring: Fix crash in "Robotmk scheduler (Windows)" bakery rule when attempting to save with invalid settings

Date

Apr 24, 2024

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.4.0b1 Not yet released	Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0	Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

When attempting to save the bakery rule "Robotmk scheduler (Windows)" with invalid settings such as an empty base directory or an invalid application name, the UI page crashed with TypeError: argument of type 'NoneType' is not iterable.

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