Troubleshooting

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Victor Kaiuki edited this page Jun 16, 2026 · 1 revision

Troubleshooting

0 rows: Market names are ALL CAPS in the API. SDK market() helper handles this automatically, but if using where() raw, uppercase your search string.
400 Bad Request: Field name mismatch. Use fields.py constants.
403 Forbidden: Rate limit. Use COTClient(app_token="...").
Classification Error: Wrong helper method for dataset type.
Missing columns: TFF has fewer columns than Legacy/Disaggregated. Check dataset type.