Configuration panel blank

I just did a fresh install of Hass.io with 0.55.2. When trying to go to the Configuration panel, I’m just shown a white page.

My configuration.yaml has config: in it.

The console in the browser has a bunch of errors in it:

config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'NavigateMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'EventsMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'NavigateMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'NavigateMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'NavigateMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'EventsMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:1 Uncaught TypeError: Cannot read property 'NavigateMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:1
config-52e2e1d477bfd6dc3708d65b8337f0af.html:7 Uncaught TypeError: Cannot read property 'EventsMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:7
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:7
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:7
(anonymous) @ config-52e2e1d477bfd6dc3708d65b8337f0af.html:7
config-52e2e1d477bfd6dc3708d65b8337f0af.html:7 Uncaught TypeError: Cannot read property 'EventsMixin' of undefined
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:7
    at config-52e2e1d477bfd6dc3708d65b8337f0af.html:7

I have the same issue on 0.56.2