Error2 reports
Fix JSONDecodeError
in Unsloth
✅ Solution
JSONDecodeError typically arises from malformed JSON data, such as incomplete files, incorrect syntax, or unexpected characters like Byte Order Marks (BOMs). To fix it, ensure model index and configuration files are valid JSON, free of syntax errors and extraneous characters. Verify file integrity and, if necessary, re-download or regenerate the problematic JSON files.
Related Issues
Real GitHub issues where developers encountered this error:
[Bug] A corrupt local `model_index.json` crashes the Krea2 diffusion load with a raw `JSONDecodeError` instead of the intended clear errorAug 26, 2026
[Bug] Two diverging copies of the LM Studio / well-known model directory discovery; a BOM in `.lmstudio/settings.json` silently drops the custom downloads folder in one of themAug 26, 2026
Timeline
First reported:Aug 26, 2026
Last reported:Aug 26, 2026