Extensions don't work

[hiulit]

When I try to add any extension I get this error:

app-e70c80dc48.min.js:3 TypeError: Cannot read property 'length' of undefined
    at t.e.insertImport (app-e70c80dc48.min.js:1)
    at fn (eval at compile (app-e70c80dc48.min.js:5), <anonymous>:4:352)
    at i (app-e70c80dc48.min.js:6)
    at t.$eval (app-e70c80dc48.min.js:3)
    at t.$apply (app-e70c80dc48.min.js:3)
    at HTMLAnchorElement.<anonymous> (app-e70c80dc48.min.js:6)
    at rt (app-e70c80dc48.min.js:1)
    at HTMLAnchorElement.n (app-e70c80dc48.min.js:1)
(anonymous) @ app-e70c80dc48.min.js:3
(anonymous) @ app-e70c80dc48.min.js:2
$apply @ app-e70c80dc48.min.js:3
(anonymous) @ app-e70c80dc48.min.js:6
rt @ app-e70c80dc48.min.js:1
n @ app-e70c80dc48.min.js:1

[garrettw]

Can confirm, I'm getting the same error