Algolia search throwing error on dev environment

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• I confirm that this is an issue rather than a question.

Bug report

Steps to reproduce

Add Algolia DocSearch config to config.js as told in https://vuepress.vuejs.org/theme/default-theme-config.html#algolia-search.
Run npm run dev.

What is expected?

This should not throw the error below !

What is actually happening?

Error in console:

[Vue warn]: Failed to mount component: template or render function not defined.

found in

---> <AlgoliaSearchBox>
       <Navbar> at node_modules/@vuepress/theme-default/components/Navbar.vue
         <Layout> at node_modules/@vuepress/theme-default/layouts/Layout.vue
           <GlobalLayout> at node_modules/@vuepress/core/lib/client/components/GlobalLayout.vue
             <Root>

Other relevant information

• The error disappears when I build the project and test the search on my local environment. It only happens when running the npm run dev and open the project on http://localhost:8081/

• Output of npx vuepress info in my VuePress project:

Environment Info:

System:
OS: macOS 11.2.2
CPU: (8) x64 Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz
Binaries:
Node: 10.13.0 - ~/.nvm/versions/node/v10.13.0/bin/node
Yarn: yarn install v0.24.6
[1/4] Resolving packages...
success Already up-to-date.
Done in 0.50s. - ~/.yarn/bin/yarn
npm: 6.4.1 - ~/.nvm/versions/node/v10.13.0/bin/npm
Browsers:
Chrome: 89.0.4389.72
Edge: Not Found
Firefox: 86.0
Safari: 14.0.3
npmPackages:
@vuepress/core: 1.8.2
@vuepress/theme-default: 1.8.2
vuepress: ^1.5.3 => 1.8.2
npmGlobalPackages:
vuepress: Not Found