Traceback (most recent call last):
File "/opt/homebrew/bin/mkdocs", line 8, in <module>
sys.exit(cli())
^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/click/core.py", line 1157, in __call__
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/click/core.py", line 1688, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs/__main__.py", line 286, in build_command
build.build(cfg, dirty=not clean)
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs/commands/build.py", line 354, in build
config.plugins.on_post_build(config=config)
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs/plugins.py", line 542, in on_post_build
return self.run_event('post_build', config=config)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs/plugins.py", line 509, in run_event
result = method(**kwargs)
^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs_toc_md/plugin.py", line 137, in on_post_build
self.output(config, self.nav, "", "")
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs_toc_md/plugin.py", line 252, in output
self.create_toc_items(toc_headers, nav_item, config, lang, nav_item_depth)
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs_toc_md/plugin.py", line 152, in create_toc_items
self.create_toc_items(toc_items, child_item, config, lang, nav_item_depth)
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs_toc_md/plugin.py", line 152, in create_toc_items
self.create_toc_items(toc_items, child_item, config, lang, nav_item_depth)
File "/opt/homebrew/lib/python3.11/site-packages/mkdocs_toc_md/plugin.py", line 213, in create_toc_items
toc_header.url = page.file.src_path + '#' + elm.get('id')
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
TypeError: can only concatenate str (not "NoneType") to str