I've created 3 new administrators in my organization, and all 3 are getting this same message. They clicked on the link in the email from Meraki to setup their account. After they changed their password, all 3 received this message.
I opened a case with Meraki, but haven't heard from them yet. Wanted to see if anyone else got the same message.
BTW, I have no issues signing into this organization, just the 3 new users I created.