Changing ParentId on the account results in "You specified an account that doesn't exist"

[moltar]

8:38:48 p.m. | UPDATE_FAILED        | AWS::Organizations::Account                  | XY-AWS-Organizatio...Management/Default
Resource handler returned message: "You specified an account that doesn't exist. (Service: Organizations, Status Code: 400, Request ID: e2d6ad31-6133-455c-a983-51bf43880c44)" (RequestToken: 1cc962ec-d2be-d8ef
-bf3f-0cee3d54828f, HandlerErrorCode: NotFound)

[moltar]

This is not my blog, but it basically documents the exact repro I ran into as well: https://www.chrisfarris.com/post/organization-cloudformation/