Load your affected save file and click the top-left icons that appear on your UI header. Open the window (the far-left sheet icon). Click "Copy debug to clipboard" .
: Disable half of your mods and check if the error persists. If it disappears, the culprit is in the disabled half. Repeat this until you narrow it down to one mod.
: Save the file and restart RimWorld to see if the quest log is cleared. Alternative Solutions
: Mods that alter world generation, add factions, or introduce custom quests are the primary culprits. Use a mod manager like RimSort or RimPy to sort your load order safely.
PSA: How to fix the broken "ERR: [Site_label]" quest log bug If you're seeing ERR: [Site_label] [detected] rimworld err site label detected new
If you're looking to post this on a forum or Discord to get help, use this template:
If the error is persistent and you want to salvage your save, you can try to manually remove the bugged quest.
If you suspect a base game or DLC issue, right-click RimWorld in your Steam Library Properties > Installed Files , and select Verify integrity of game files Ignore It:
[Paste your HugsLib log link here—press Ctrl+F12 in-game to generate one.] Load your affected save file and click the
This comprehensive guide breaks down why this error occurs, how it affects your game, and the step-by-step methods required to fix it. What Causes the Error?
Follow these actionable troubleshooting steps in order to diagnose and eliminate the error from your game client. 1. Clear the Unity Component Cache
Below is an in-depth breakdown of what causes this glitch, how it breaks your save file, and the definitive methods to fix it. Anatomy of the Error
While annoying, this error is rarely "game-breaking" unless it prevents you from clicking anything on the world map. If the "ERR" persists across even after verifying files, a clean reinstall of the game and its mods is the recommended "nuclear" option. : Disable half of your mods and check if the error persists
: If the issue persists, use Steam to verify the integrity of game files (Library > Right-click RimWorld > Properties > Installed Files > Verify).
Steam can automatically scan and re-download missing text files or core data frameworks: Open your and right-click on RimWorld . Select Properties , then click on the Installed Files tab.
Running deep-level world modifications or faction expanders alongside overhaul frameworks can cause structural rule conflicts.
Make a of your current .rws save file before making changes.
Select , then navigate to the Installed Files tab. Click Verify integrity of game files .