I have a list below, use this formula to lookup column and put value to dropdown, but "Manager C" drop down will show empty result, how can i not show empty result
Table(LookUp(ManagersDepartment,'Manager''s Name'= "A").Dept_1,LookUp(ManagersDepartment,'Manager''s Name'= "A").Dept_2,LookUp(ManagersDepartment,'Manager''s Name'= "A").Dept_3)

Manager A dropdown result

Manager B dropdown result

Manager C dropdown result
