RM7 didn’t have the Missing Surname or Missing Given Name options for Problem Alerts. It is new in RM9 and that is why you are only seeing it there. You need to check all names for the person, including alternate names for the person. Highlight each name and check that the given and surnames appear in the correct fields. What is typical being found is the given and surname have been combined into the given name field. It is working as designed so you can fix this error.