first try of mashlib : tabbedtab.css not found & Cannot read property 'outlineManager' of undefined

[scenaristeur]

Trying to understand solid & mashlib, i have git cloned, npm install, & npm run start.
then I run to https://localhost:8080, accept certificat,
Go to https://localhost:8080/dist

and tried databrowser.html, then I got two errors :

https://linkeddata.github.io/solid-app-set/style/tabbedtab.css --> 404

it looks like is used in browser.html
&

index.js:33 Uncaught TypeError: Cannot read property 'outlineManager' of undefined
    at Object.r.getOutliner (index.js:33)
    at HTMLDocument.<anonymous> (databrowser.html:16)

and adding ' const dom = document ' line + correction on line var outliner = panes.getOutliner(dom)
solve this

Third error :
the login button open https://localhost:8080/.well-known/solid/login
but with content

Cannot GET /.well-known/solid/login