HMH Ed is reporting a service degradation. Below is the message from HMH support along with a link to their platform status page. Users may not be able to login to the platform at this time.
From HMH: Service Degradation: Ed is currently experiencing a service degradation as of 11:19am ET on 8/18/23. Some users are may be unable to log in directly to the platform, and users may experience slow loading within the platform. We are working to resolve this matter as quickly as possible and apologize for any inconvenience this may cause.
https://support.hmhco.com/s/article/Platform-Status