Skip to main content

Working in Drupal admin, going to a content type > manage form display and I'm seeing the following error

Fatal error: Declaration of Drupal\entity_reference_views\Plugin\Field\FieldWidget\Select2ViewsWidget::defaultSettings() must be compatible with Drupal\select2\Plugin\Field\FieldWidget\Select2EntityReferenceWidget::defaultSettings(): array in /app/web/modules/contrib/entity_reference_views/src/Plugin/Field/FieldWidget/Select2ViewsWidget.php on line 28

This error relates to two specific contrib modules:

Entity Reference Views - https://www.drupal.org/project/entity_reference_views

Select2 - https://www.drupal.org/project/select2

 

Versions

Module Version Release Date
Entity Reference Views    
Select2 8.x-1.14 22nd November 2022
  8.x-1.13 1st March 2021

 

 

 

Related articles

Andrew Fletcher04 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 Fletcher26 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 Fletcher17 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...