icloud.com on Window 10 "crashes" when opening Reminders

Recently my icloud.com logs me off whenever I try to open Reminders. This happens with any browser and on different computers. The error is "appleIdUrl cannot be empty" the full text below.

Any ideas how to resolve?

Thanks -

jim

*********************

APP NAME

cloudos2

CLIENT TIME

Wed Jul 29 2020 16:52:53 GMT-0700 (Pacific Daylight Time) (1596066773615)

USER AGENT

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36

HOSTNAME

www.icloud.com

BUILD INFO

2013Project42__2013B29__en-us

SESSION ID

591d1501-98c3-48a4-b45a-56b9c7340d0d

ENVIRONMENT INFO

PROD

REPORTED ERROR TITLE

[CloudOSConfiguration] appleIdUrl cannot be empty

REPORTED ERROR TYPE

UNHANDLED_EXCEPTION

LINE NUMBER

11

STACK

Error: [CloudOSConfiguration] appleIdUrl cannot be empty

at new r (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:88097)

at Object.a (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:88148)

at n.get (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:109442)

at n._transformedGet (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:82351)

at n.getForObject (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:83665)

at n.get (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:83307)

at n._createLoginViewController (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:1622267)

at n.startAuthentication (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:1598919)

at n.authenticateUser (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:136723)

at n.switchToApplication (https://www.icloud.com/system/cloudos2/2013Project42/en-us/main.js:11:157548)

ERROR CONTEXT

undefined