Display value not working on extended tables.Issue The display value of a table may not display the correct information if the table it extends has a dictionary override. In such scenarios the dictionary override of the parent table will supersede the display value of the child table. Dictionary Overrides product documentation: https://docs.servicenow.com/csh?topicname=t_DefineADictionaryOverride.html&version=latest Display Values product documentation: https://docs.servicenow.com/csh?topicname=t_SelectTheDisplayValue.html&version=latest#CauseIf a parent table has a dictionary override rule, it will supersede any of the display value rules of its children tables.ResolutionEnsure that if a table is extending another table that it does not have a dictionary override enabled. A simple way of thinking about is that the order of operations for displaying the information of a reference field is as follows: Reference fields look for the display value in the following order: Dictionary override of parent tablesA field with display=true in the system dictionary on the lowest sub-table for extended tables.A field with display=true in the system dictionary on the parent table.A field named name or u_name.The Created on field of the referenced record. This is a more complete list of the information from the product documentation below: https://docs.servicenow.com/csh?topicname=t_SelectTheDisplayValue.html&version=latest#