Macro Rendering Error

UndefinedError: 'nm' is undefined

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/mkdocs_macros/plugin.py", line 480, in render
    return md_template.render(**page_variables)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "<template>", line 137, in top-level template code
  File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'nm' is undefined