"Context Canceled" adding YTTV on DSM 7

I upgraded to the DSM 7 package last week, everything seemed to be working well, but I noticed that the Discovery networks stopped working via TYYV. After trying re-scanning the channels with no success (as well as updating my password), I finally decided to remove YTTV entirely and re-add it. When I do so I get "Context Canceled" shortly after entering my password:

image

Browser is Edge, DVR version 2021.07.15.0027. Diagnostics submitted from DVR - 8ecfc20e-0315-4a9e-a55e-ef7aed836d7b

Does restarting the dvr or rebooting the NAS help?

I tried that this morning and got the same context canceled result.

Relevant lines from the log:

2021/07/15 19:13:01.189746 [TVE] Auth starting for YouTubeTV as [email protected]
2021/07/15 19:13:01.238660 [TVE] action=auth mvpd=YouTubeTV requestor=nbcentertainment
2021/07/15 19:13:20.127757 [TVE] action=error_response type=Other error=net::ERR_UNKNOWN_URL_SCHEME
2021/07/15 19:13:20.669791 [TVE] action=version product=Chrome/89.0.4389.114 jsVersion=8.9.255.24 protocol=1.3 revision=@1ea76e193b4fadb723bfea2a19a66c93a1bc0ca6
2021/07/15 19:13:20.854950 [TVE] action=mock
2021/07/15 19:13:20.867536 [TVE] action=navigate url=https://sp.auth.adobe.com/adobe-services/authenticate/saml?noflash=true&mso_id=YouTubeTV&requestor_id=nbcentertainment&no_iframe=true&domain_name=adobe.com&redirect_url=https%3A%2F%2Fsp.auth.adobe.com%2Fadobe-services%2FcompletePassiveAuthentication
2021/07/15 19:13:21.624213 [TVE] action=request type=Document method=GET url=https://sp.auth.adobe.com/adobe-services/authenticate/saml
2021/07/15 19:13:25.876815 [TVE] Auth failed for YouTubeTV: context canceled