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:
Open the original .rws file using a text editor like . Press Ctrl + F to open the search function.
Scan the log lines for specific mod IDs (e.g., look for tags like VFE for Vanilla Factions Expanded or unique mod developer titles). rimworld err site label detected new
RimWorld handles texts, titles, and descriptions dynamically using placeholder strings in its XML architecture. When the storyteller triggers a map event (like a stash opportunity, camp raid, or ancient complex discovery), it pulls structural rules from a quest template.
within your save file, often due to a mod being removed mid-playthrough. Immediate Cause Missing Factions If you suspect a base game or DLC
Does this error break your map, or does it ? Share public link
After investigating various player reports and forum discussions, we've identified some possible causes of the error: Immediate Cause Missing Factions Does this error break
Since mods are the leading cause, start here.
If you have a save file that is constantly throwing errors, you can attempt to delete the broken quest data according to Ludeon forums:
AppData\LocalLow\Ludeon Studios\RimWorld by Ludeon Studios\Saves ) and create a copy before editing. Open with a Text Editor : Use a tool like to open the Search for "ERR"