Andrew Fletcher published: 28 December 2022 1 minute read
Working in Drupal 9.5 and I'm now getting the following cache tag error
The website encountered an unexpected error. Please try again later.
Error: Call to a member function getCacheTags() on null in Drupal\views\Plugin\views\query\Sql->getCacheTags() (line 1683 of core/modules/views/src/Plugin/views/query/Sql.php).This issue was raised on 8th September 2020 see Fatal error "getCacheTags() on null" on admin/content Views page (https://www.drupal.org/project/drupal/issues/3169694). Which comment 2 works for me... get_cache_tags_null-3169694-2.patch.
Download the file (I downloaded to directory patches) and apply the patch by using the following command
patch -p1 < patches/get_cache_tags_null-3169694-2.patch.txt
Related articles
Andrew Fletcher
•
04 Apr 2025
Managing .gitignore changes
When working with Git, the .gitignore file plays a critical role in controlling which files and folders are tracked by version control. Yet, many developers are unsure when changes to .gitignore take effect and how to manage files that are already being tracked. This uncertainty can lead to...
Andrew Fletcher
•
26 Mar 2025
How to fix the ‘Undefined function t’ error in Drupal 10 or 11 code
Upgrading to Drupal 10.4+ you might have noticed a warning in their code editor stating “Undefined function ‘t’”. While Drupal’s `t()` function remains valid in procedural code, some language analysis tools — such as Intelephense — do not automatically recognise Drupal’s global functions. This...
Andrew Fletcher
•
17 Mar 2025
Upgrading to PHP 8.4 challenges with Drupal contrib modules
The upgrade from PHP 8.3.14 to PHP 8.4.4 presents challenges for Drupal 10.4 websites, particularly when dealing with contributed modules. While Drupal core operates seamlessly, various contrib modules have not yet been updated to accommodate changes introduced in PHP 8.4.x. This has resulted in...