Merge Users Bug - Undefined Method

Currently seeing an error when attempting to merge a user (OJS 2.4.3)

PHP Fatal error: Call to undefined method EditorSubmissionDAO::transferEditorDecisions() in /var/www/vhosts/live/ulr/httpdocs/classes/user/

Any ideas?

The call from:


Seems to make sense in a read-through.

Do you have any local modifications, or unintended changes to the EditorSubmissionDAO?