Troubleshooting Mods That Require Collective Library

Identifying Missing Library Issues

If a mod crashes on startup with a message about missing dependencies or unmet requirements, it likely needs Collective Library. Check the mod's description or documentation to confirm.

Steps to Fix

1. Verify installation: Ensure the Collective Library mod file is in your mods folder

2. Check mod loader compatibility: Confirm the library version matches your mod loader (Forge, Fabric, etc.)

3. Load order: Place Collective Library in your mods folder alongside dependent mods—no special ordering is usually required

4. Remove conflicting versions: If you have multiple versions of Collective Library, keep only one

5. Restart the game: After adding or updating the library, fully close and relaunch Minecraft

Reading Error Messages

If crashes persist, check the latest log file in your .minecraft/logs folder. Look for lines mentioning "Collective Library" or the dependent mod's name. These will indicate what went wrong.

When to Update

If you update a mod that depends on Collective Library, check whether a newer library version is also required. Mod authors typically note this in patch notes.