"A newly discovered site lacks a clear label. It has been marked as [Fallback Name]. You can rename it via the world map."
The is a common UI and data-generation bug that replaces your quest log details, world map site tags, or faction information with broken raw code placeholder text. This issue occurs when the RimWorld engine fails to fetch or render localized text strings, world map coordinate markers, or faction definitions during a procedurally generated world event.
If a mod is added or removed mid-game, it can leave behind "ghost" data that triggers this error, as suggested in Ludeon Forum discussions . rimworld err site label detected new
section in your save XML with a fresh one from a new world (ensure world sizes match). Ignore or Delete Quest
The error is a common glitch in RimWorld that breaks world map generation, causing text fields in your quest log to display raw code snippets like ERR: [Site_Label] [detected] or ERR: You've detected a [siteLabel] nearby . "A newly discovered site lacks a clear label
This typically appears in the (opened with ~ or via the Options menu) when a world site (like an ancient complex, crashed ship part, or enemy base) is generated incorrectly—often due to a mod conflict or corrupted map data.
Corrupted shader or layout caches can prevent the game from reading newly updated mod paths properly. Close RimWorld and open Steam. Right-click in your Library and select Properties . In the General tab, navigate to the Launch Options field. This issue occurs when the RimWorld engine fails
If you meant you wanted a that implements this behavior, I can outline the C#/XML structure for it. Or if you simply wanted the error message explained, let me know and I'll clarify the technical cause instead.