Error initializing project

[vinyll]

Hey,
I was just trying to boot the project and came to the following error at the first sight:

$ git clone [email protected]:incubateur-territoires/territoires.store.git
$ npm install --global @gridsome/cli
$ cd territoires.store
$ gridsome develop

Gridsome v0.7.23

Initializing plugins...
Load sources - 0.18s
Create GraphQL schema - 0.19s
Create pages and templates - 0.04s
Generate temporary code - 1.07s
Bootstrap finish - 9.15s
postcss-import-url: postcss.plugin was deprecated. Migration guide:
https://evilmartians.com/chronicles/postcss-8-plugin-migration
34% building 205/219 modules 14 active /Users/vinyll/Projects/territoires.store/node_modules/sockjs-client/lib/iframe-bootstrap.js/Users/vinyll/Projects/territoires.store/node_modules/mini-css-extract-plugin/dist/index.js:77
    const resource = this._identifier.split('!').pop();
                                      ^

TypeError: Cannot read property 'split' of undefined
…