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Experimental Flags Validation Rules

Validates experimental flags in world templates. Experiments that were enabled can affect world behavior even after being disabled.

Rules Summary

Rule ID Rule Severity Auto-Fix
EXPFLAG101 Experiment Active 🟡 Warning
EXPFLAG102 Missing Level.dat 🔴 Error
EXPFLAG103 World Not Found 🔴 Error

Rule Details

EXPFLAG101

🟡 Experiment Active
Severity: Warning

What This Checks

Warning when an experimental flag is or was enabled in the world. Some experiments permanently modify world data even after being turned off.

How to Fix

If the experimental feature is no longer needed, you can disable it in the world settings. Note that some experiments cannot be fully reverted. For publishing, create a new world without experiments enabled.

Technical Details

Data contains the name of the experimental flag.

EXPFLAG102

🔴 Missing Level.dat
Severity: Error

What This Checks

Error when the world's level.dat file could not be found. The world may be corrupted or incomplete.

How to Fix

Ensure the world template includes a complete world folder with level.dat. If the file is missing, try re-exporting the world from Minecraft.

Technical Details

Data contains the expected level.dat path.

EXPFLAG103

🔴 World Not Found
Severity: Error

What This Checks

Error when the world folder could not be located. Check that the world path is correct and accessible.

How to Fix

Verify the world template structure includes the correct world folder path. The world should be in a subfolder matching the manifest's world_template module entry.

Technical Details

Data contains the expected world path.