organization · inferred from evidence
DataForSEO
The organization providing the Labs endpoints and support thread referenced in the issue.
- Invalid Field: 'language_code' (Error 40501) on DataForSEO Labs endpoints
This is not an API bug: a cached old build from npx was the cause. Run `npx -y dataforseo-mcp-server@latest` so npx fetches the current build instead of reusing its cache, and the Labs endpoints stop sending the invalid `language_code` fiel