Open the folder, then choose RimWorld by Ludeon Studios .

The ERR: [Site_Label] error is an indicator that the game's system for generating quests has failed. In my experience, these are the most common reasons why:

Open your active quest log and select the broken quest labeled ERR .

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Open the original .rws file using a text editor like Notepad++ .

If you find a specific mod causing this, check the Steam Workshop comments—often another user has posted the exact manual fix.

Look for the parent block enclosing that specific error. It will typically look like this:

if you share which faction or quest mods you're using.

Does this error break your map, or does it ? Share public link

Use the external mod manager RimPy to sort your load order automatically. This fixes underlying database layout issues that vanilla Steam Workshop management misses. 3. Clean the Local Configuration Folder

: Most players fix this by manually deleting the bugged entry from their save file. Create a backup of your save file. Open the .rws save file using a text editor like Notepad++.

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

Here are the three most common scenarios causing the "Err site label detected new":

If a specific mod is broken but you are 200 hours into a save and can't remove it: