{#- Ported from furo 2025.12.19 (b788b8a), MIT (Pradyun Gedam). See LICENSE-FURO. -#}
You are using <code>localtoc.html</code> in <code>html_sidebars</code>. This
configuration does not work with Furo, which is why you're seeing this message.
Please see <a href="https://pradyunsg.me/furo/customisation/sidebar/">
documentation on sidebar customisation in Furo</a> for more details.