Search on the documentation page not working

[Bomme]

The search on the documentation page seems to be broken. The console shows this error.

searchtools.js:158 Uncaught ReferenceError: Stemmer is not defined
    at Object.query (searchtools.js:158)
    at Object.setIndex (searchtools.js:98)
    at <anonymous>:1:8
    at p (vendors.min.js:2)
    at Function.globalEval (vendors.min.js:2)
    at text script (vendors.min.js:4)
    at Qb (vendors.min.js:4)
    at A (vendors.min.js:4)
    at XMLHttpRequest.<anonymous> (vendors.min.js:4)
DevTools failed to load source map: Could not load content for https://essentia.upf.edu/_static/normalize.min.css.map: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE