github/spec-kit · error · PresetValidationError

Invalid version: {pack['version']}

Error message

Invalid version: {pack['version']}

What it means

Error "Invalid version: {pack['version']}" thrown in github/spec-kit.

Source

Thrown at src/specify_cli/presets/__init__.py:358

                raise PresetValidationError(f"Missing preset.{field}")
            if not isinstance(pack[field], str):
                raise PresetValidationError(
                    f"Invalid preset.{field}: expected a string, "
                    f"got {type(pack[field]).__name__}"
                )

        # Validate pack ID format
        if not re.match(r'^[a-z0-9-]+$', pack["id"]):
            raise PresetValidationError(
                f"Invalid preset ID '{pack['id']}': "
                "must be lowercase alphanumeric with hyphens only"
            )

        # Validate semantic version
        try:
            pkg_version.Version(pack["version"])
        except pkg_version.InvalidVersion:
            raise PresetValidationError(f"Invalid version: {pack['version']}")

        # Validate requires section
        requires = self.data["requires"]
        if "speckit_version" not in requires:
            raise PresetValidationError("Missing requires.speckit_version")
        # Presence alone is not enough: check_compatibility() feeds this value to
        # ``SpecifierSet(required)``, guarded only by ``except InvalidSpecifier``,
        # which a non-string escapes two different ways. A float/int/bool/None
        # raises TypeError from the constructor, while a list or dict is an
        # *iterable*, so SpecifierSet accepts it and the failure surfaces much
        # later as ``AttributeError: 'str' object has no attribute 'filter'`` from
        # inside .contains(). Neither is a PresetCompatibilityError, so both
        # bypass the CLI's "Compatibility Error" handler and exit 1 with a raw
        # traceback naming no field. An unquoted ``speckit_version: 1.0`` is an
        # easy YAML slip. Mirrors the sibling IntegrationDescriptor, which already
        # requires a non-empty string here.
        if (
            not isinstance(requires["speckit_version"], str)

View on GitHub (pinned to bf88c9f9a8)

Solutions

1. Set preset version to a valid semantic version string.

When it happens

Trigger: Thrown at src/specify_cli/presets/__init__.py:358 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of github/spec-kit@bf88c9f9a8 (2026-08-14). Data as JSON: /api/errors/84d7dc42abb40187. Report an issue: GitHub.