Right-click RimWorld in Steam > Properties > Installed Files > Verify integrity of game files . This fixes any corrupted core files that might be missing labels.
The most effective way to resolve this is by manually editing your save file to remove the corrupted entry. Ludeon Studios Backup Your Save : Locate your save file (usually in rimworld err site label detected new
RimWorld saves site data to your %APPDATA% folder. Right-click RimWorld in Steam > Properties > Installed
The game may struggle to create a quest due to rewards or biomes that aren't compatible with your current mod list. rimworld err site label detected new