{"version":"2.1.261","anchor":"new-api-error-code-for-version-too-old-rejections","canonical_anchor":"new-api-error-code-for-version-too-old-rejections","heading":"New API error code for version-too-old rejections","tier":"notice","area":"API Errors","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261\/e\/new-api-error-code-for-version-too-old-rejections","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261","markdown":"### New API error code for version-too-old rejections\n\nA new error clearly tells you to update Claude Code when your build is too old for a request.\n\nThe API error schema gains a new `claude_code_version_too_old` error code, sent when the API refuses a request because the Claude Code build is below a required minimum, whether a model-specific floor or an org-policy floor. The error's message text carries the details, and the remedy is updating Claude Code.\n\n- Area: API Errors\n- Names: `claude_code_version_too_old`\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 2\/5"}