Fetching class constant MENTION_FIRST of deprecated class Drupal\ckeditor_mentions\CKEditorMentionEvent. Deprecated in ckeditor_mentions:2.0.0 and is removed from ckeditor_mentions:3.0.0. Instead use Drupal\ckeditor_mentions\Events\CKEditorMentionEventInterface in the Event subscriber type declaration.
Results are from dataset #350397 from 2024-11-26T11:21. Report is ran by the Drupal Association regularly.