1. Make sure your Office 365 subscription is active.
2. Check and confirm that you have the correct version of SharePoint enabled for your organization.
3. Check and confirm that you have the correct permission levels to access the features and settings in SharePoint.
4. Check and confirm that you are signed in to SharePoint with the correct user account or profile.
5. Check and confirm that your organization’s default document libraries are properly configured and can be accessed.
6. Check and confirm that the feature or setting you are trying to access is enabled in your organization.