Problem with Roman Magistrates

[A Terribly Harmful Name]

I'm trying to fix a problem, but here it goes: my Roman magistrates sometimes exceed their term limits in office. By this I mean not "extended" terms or even something that would resemble a "reelection", since they get more than ten years in the same office and don't look like they will leave it. What exactly is wrong and how should I fix it (in export_descr_character_traits)?