If the error is constant, you need to find the mod causing it.

When RimWorld generates a new world map, a quest, or a faction encounter, it relies on XML "Defs" to assign proper text labels to locations. If a label displays ERR , it means the game code is calling for a string that is missing, corrupted, or overwritten.

If you are running a heavily modded playthrough, utilize a modern mod manager like RimSort or RimPy. rimworld err site label detected new

Understanding and Fixing the "RimWorld Err Site Label Detected New" Error

Open the original .rws file using a text editor like Notepad++ or VS Code. Press Ctrl + F and search for the phrase . If the error is constant, you need to