Rimworld Err Site Label Detected New

In a 100% vanilla installation of RimWorld, you will almost never see this error. If you do, it usually indicates a corrupted game cache. However, for the other 99.9% of users, this is a or a Broken Def .

If a specific mod is broken but you are 200 hours into a save and can't remove it: rimworld err site label detected new

"A newly discovered site lacks a clear label. It has been marked as [Fallback Name]. You can rename it via the world map." In a 100% vanilla installation of RimWorld, you