dds/docs/err/invalid-pkg-ident.rst

Error: Invalid package name *or* Invalid package identifier
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Package identifiers in ``dds`` must follow a well-defined pattern of
``<name>@<version>``, where ``<version>`` is a valid Semantic Version and
``<name>`` follows a few simple rules.

.. seealso::
    :ref:`pkgs.pkgs` and :ref:`Package Naming Requirements <pkgs.naming-reqs>`