Web client throws console error and can't use repo (new UI)

Issue #14369 duplicate
Vinicio Meira
created an issue

this is the console output

console.js?93a0:26 JQMIGRATE: Logging is active
16:14:02.648 console.js?93a0:26 DEPRECATED JS - Cookie has been deprecated since 5.8.0 and will be removed in a future release. Use cookie instead.   
     at assign (<anonymous>)
t.(anonymous function) @ console.js?93a0:26
16:14:02.810 app.js:121 Uncaught TypeError: Cannot read property '0' of undefined
    at t.value (app.js:121)
    at t.value (app.js:179)
    at t.value (app.js:121)
    at t.value (app.js:121)
    at t.value (app.js:121)
    at o (app.js:121)
    at n.value (app.js:179)
    at t.value (app.js:179)
    at app.js:179
    at subscribe (app.js:121)
    at t.value (app.js:179)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at h.mountChildren (app.js:242)
    at h._createInitialChildren (app.js:241)
    at h.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at h.mountChildren (app.js:242)
    at h._createInitialChildren (app.js:241)
    at h.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at h.mountChildren (app.js:242)
    at h._createInitialChildren (app.js:241)
    at h.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at h.mountChildren (app.js:242)
    at h._createInitialChildren (app.js:241)
    at h.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
    at Object.mountComponent (app.js:25)
    at d.performInitialMount (app.js:241)
    at d.mountComponent (app.js:241)
16:14:02.834 raven.js?ae06:318 Uncaught TypeError: Cannot read property '__reactInternalInstance$caz95k89pg' of null
    at Object.s [as getClosestInstanceFromNode] (app.js:6)
    at r (app.js:242)
    at i (app.js:242)
    at r.perform (app.js:49)
    at Object.batchedUpdates (app.js:132)
    at Object.i [as batchedUpdates] (app.js:16)
    at dispatchEvent (app.js:242)
    at HTMLImageElement.n (raven.js?ae06:314)