unity asset_error ai_generated true

PrefabImporter: prefab variant has missing base

ID: unity/prefab-variant-error

Also available as: JSON · Markdown
80%Fix Rate
84%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
2022 active — — —

Root Cause

Prefab variant lost connection to base prefab.

generic

Workarounds

  1. 88% success Reconnect variant: drag base prefab onto variant in Inspector
  2. 85% success Check .meta files for correct GUID references

Dead Ends

Common approaches that don't work:

  1. Delete variant and recreate from scratch 75% fail

    Loses all variant overrides

  2. Convert to regular prefab 70% fail

    Loses variant chain benefits