I would like to understand what this error means, [422] Invalid Parameter: assignmentBean value " BaseAssignmentBean. The context: I have attempted to set assignments by field value. I used the assign multiple action in order to map to assign ID. I have checked that there are no errors in the mappin...

Thank you, and if I want to assign specific subtasks to different people is that possible? For example, Subtask #1- Sam Subtask #2- Amanda.    

Is it possible to assign subtasks via Workfront Fusion. I want the subtasks to be assigned to the Task assignee. 

I would like to add more fields to the Fusion field dropdown in my instance, what makes fields show up here? I don't see Update Feeds in my setup, but am an admin. I see that the general instructions are, To configure which actions you want Workfront to track:Click Interface > Update Feeds.Click the...