eca_form: Action "Entity form: build entity" may cause a fatal when used on form validation
Problem/Motivation
Action "Entity form: build entity" may cause a fatal when used on form validation. The following error may then occur:
The website encountered an unexpected error. Please try again later.
TypeError: Argument 1 passed to Drupal\Core\Field\WidgetBase::massageFormValues() must be of the type array, string given, called in .../web/core/lib/Drupal/Core/Field/WidgetBase.php on line 400 in Drupal\Core\Field\WidgetBase->massageFormValues() (line 547 of core/lib/Drupal/Core/Field/WidgetBase.php).
Steps to reproduce
Proposed resolution
Remaining tasks
Fix the bug.
User interface changes
API changes
Data model changes
Edited by drupalbot