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Werk #19326: Fix the loading of the customer configuration during a site update.

Component Setup
Title Fix the loading of the customer configuration during a site update.
Date Apr 29, 2026
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.6.0b1
Not yet released
Checkmk Ultimate MT
2.5.0p1 Checkmk Ultimate MT

The following error may occur during the update: Cannot read configuration file "/omd/sites/atlanta/etc/check_mk/multisite.d/wato/customers.mk": name 'default_user_profile' is not defined and has been fixed.

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