Hello @Ned Barker
Thank you for reaching out on the community and telling us about your issue. I do apologize for the issue you're having. I believe this pops up but you're able to sign in and it should recognize the password. I've had it previously and noticed that occasionally it popped up but eventually stopped. Another thing you may be able to try is resetting the cloud data to see if that may help with getting it corrected as well.
You can do so by going across the top to Edit > Preferences > Mobile & Web > Reset your cloud data.
Once you get a chance let us know if this worked for you. If not let us know and we'll see what we can try next.
Thanks,
Quicken Francisco