Unsafe World Random Access Detector (Forge)
Modby ishlandmc
This is a mod that detects unsafe off-thread world random access, helping to find causes of "Accessing LegacyRandomSource from multiple threads" crash.
Type
Mod
CurseForge Downloads
259,251
CurseForge ID
853354
Last Updated
Jun 9, 2026
Description
Unsafe World Random Access Detector (Forge)
This is a mod that detects unsafe off-thread world random access, helping to find causes of "Accessing LegacyRandomSource from multiple threads" crash.
This is useful for finding the cause of mysterious crashes with Accessing LegacyRandomSource from multiple threads.
This is not a fix for the issue, but it will help you find the cause of the issue.
Looking for fabric versions? Looking for neoforge versions?
Screenshots
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