huggingface runtime_error ai_generated true

RuntimeError: cannot merge LoRA weights

ID: huggingface/lora-merge-error

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
4 active — — —

Root Cause

LoRA adapter merge with base model failed.

generic

Workarounds

  1. 90% success Ensure base model version matches LoRA training version
  2. 88% success Use model.merge_and_unload() after loading adapter correctly

Dead Ends

Common approaches that don't work:

  1. Train new LoRA from scratch 75% fail

    Loses existing fine-tuning

  2. Force merge with type mismatch 85% fail

    Corrupted weights