Macro Rendering Error

File: testing.md

UndefinedError: 'matrix' is undefined

Traceback (most recent call last):
  File "/Users/devvynmurphy/Documents/GitHub/aafc-herbarium-dwc-extraction-2025/.venv/lib/python3.11/site-packages/mkdocs_macros/plugin.py", line 699, in render
    return md_template.render(**page_variables)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/devvynmurphy/Documents/GitHub/aafc-herbarium-dwc-extraction-2025/.venv/lib/python3.11/site-packages/jinja2/environment.py", line 1295, in render
    self.environment.handle_exception()
  File "/Users/devvynmurphy/Documents/GitHub/aafc-herbarium-dwc-extraction-2025/.venv/lib/python3.11/site-packages/jinja2/environment.py", line 942, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "<template>", line 451, in top-level template code
  File "/Users/devvynmurphy/Documents/GitHub/aafc-herbarium-dwc-extraction-2025/.venv/lib/python3.11/site-packages/jinja2/environment.py", line 490, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'matrix' is undefined

[AAFC]: Agriculture and Agri-Food Canada [GBIF]: Global Biodiversity Information Facility [DwC]: Darwin Core [OCR]: Optical Character Recognition [API]: Application Programming Interface [CSV]: Comma-Separated Values [IPT]: Integrated Publishing Toolkit [TDWG]: Taxonomic Databases Working Group