If the following messages are displayed, access from your account and device has been restricted.
- Your device has been disconnected from the Group.
- Use of this service with this account has been suspended.
Please contact your company's Group administrator or Sub-administrator to request reactivation.
Information to provide to your Administrator
- Account name or E-Mail Address
- The type of device or app you are using
Example: Using Google Chrome on a Windows PC, using the mobile app on an Android smartphone
Information for Administrators
Temporarily Suspending or Deleting Access from Any Device (Web Browser)
https://teachme.jp/8/manuals/41165858
Tell me about what is displayed as "Device Used"
https://help.teachme.jp/hc/en-us/articles/4402392365337