When trying to use some Xtraction fields such as:
"Related - Children#"
under DATA SOURCE CA Service Desk\Incidents

"Related - Children#", "Related - Incidents#", "Related - Problems#" or "Related - Request#"
under DATA SOURCE CA Service Desk\Change orders

You might see the error:

In addition, Xtraction logs would present similar error messages:
System.Data.SqlClient.SqlException (0x80131904): Cannot find either column "dbo" or the user-defined function or aggregate "dbo.xtraction_req_get_children", or the name is ambiguous.
System.Data.SqlClient.SqlException (0x80131904): Cannot find either column "dbo" or the user-defined function or aggregate "dbo.xtraction_chg_get_children", or the name is ambiguous.