Werk #17891: Fix "TypeError(base_metric_expression)" when rendering graphs

Name: checkmk
Rating: 4.7 (114 reviews)

Component

User interface

Title

Fix "TypeError(base_metric_expression)" when rendering graphs

Date

Apr 2, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0b4	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p31	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The Checkmk user interface crashed with the following error when rendering certain graphs:

Cannot calculate graph recipes

Traceback (most recent call last)
...
raise TypeError(base_metric_expression)