Just for clarification, are you replacing the https://contoso-admin.sharepoint.com
with your tenant URL?
Please make sure you use the correct url. The URL format would be like this: https://TenantName-admin.sharepoint.com
If an Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.