Mopidy Iris issue

TypeError: Cannot read property 'pathname' of null
    at createPath (PathUtils.js:46)
    at Object.createHref (createBrowserHistory.js:140)
    at Link.render (Link.js:76)
    at Yg (react-dom.production.min.js:169)
    at Wg (react-dom.production.min.js:168)
    at ah (react-dom.production.min.js:176)
    at hi (react-dom.production.min.js:221)
    at ii (react-dom.production.min.js:222)
    at Ki (react-dom.production.min.js:238)
    at Li (react-dom.production.min.js:237) Object
value @ ErrorBoundary.js:22