Dot Walked Reference field of "Assignment Group" on the Problem form is setting blank when the Assignment Group of the related problem task is double clicked on the related listDescriptionDot Walked Reference field of "Assignment Group" on the Problem form is setting blank when the Assignment Group of the related problem task is double-clicked on the related listSteps to Reproduce 1. Create a custom field of type reference on "sys_user_group" table(name: u_division, referencing to "cmn_department")2. Add the newly created field(u_division) to the Problem form by dot-walking the "assignment_group" field.3. Open a problem record having a problem_task record available (Or create one)4. In the related list and double click on the "assignment group" field of the problem_task record to edit it. 5. You will notice that the "division" field will go blank on the "problem" form.WorkaroundThis problem is currently under review. You can contact ServiceNow Technical Support or subscribe to this Known Error article by clicking the Subscribe button at the top right of this article to be notified when more information becomes available.Related Problem: PRB1516942