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.
⬇ Download on CurseForgeUnsafe 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?
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.20.6, 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Unsafe World Random Access Detector (Forge) is a free Minecraft Java mod. Compatible with Minecraft 1.21, 1.20.6, 1.21.1, 1.19.3 and newer. Downloaded 267,694 times (via CurseForge). Download it and open it directly in the game.