White screen and "try again later" error after updating from Drupal 11.2.10 to 11.3.0

Created on 22 December 2025, about 1 month ago

Updated 23 December 2025, about 1 month ago

Problem/Motivation

After updating from Drupal 11.2.10 to 11.3.0, I see a white screen with the following error: (try again later)
The following error appears in the log.

TypeError: Drupal\Core\Utility\ThemeRegistry::getGlobalPreprocess(): Return value must be of type array, null returned in Drupal\Core\Utility\ThemeRegistry->getGlobalPreprocess() (line 193 of /var/www/vhosts/sparrowhouse.nl/httpdocs/core/lib/Drupal/Core/Utility/ThemeRegistry.php).

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

Introduced terminology

API changes

Data model changes

Release notes snippet

🐛 Bug report

Status

Active

Version

11.3 🔥

Component

theme system

Created by

🇳🇱Netherlands roy6432

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Needs steps to reproduce

Incomplete comments

Merge Requests

!14376White screen and "try again later" error after updating from Drupal 11.2.10 to 11.3.0
Closed
🇺🇸United States nicxvan
updated about 20 hours ago
!14164White screen and "try again later" error after updating from Drupal 11.2.10 to 11.3.0
Closed
🇺🇸United States nicxvan
updated 14 days ago

Comments & Activities

Not all content is available!

It's likely this issue predates Contrib.social: some issue and comment data are missing.

Merge request !14164Add default return → (Closed) created by nicxvan
Pipeline finished with Success
about 1 month ago
Total: 746s
#693555
Pipeline finished with Success
about 1 month ago
Total: 663s
#694743
Pipeline finished with Canceled
14 days ago
Total: 507s
#716862
Pipeline finished with Canceled
14 days ago
Total: 144s
#716869
Merge request !14376Default return → (Closed) created by nicxvan
Pipeline finished with Success
14 days ago
#716878

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