Good day, thanks for your question. I am glad to provide assistance to you today. Please refer to the information below for the things that you can check.
> Try a different browser or use InPrivate or Incognito depending on which ones you are using.
> Ensure your the account has Global Administrator, Security Administrator, or Security Reader roles.
> Go to https://portal.office.com/adminportal > Health > Service Health to ensure that there is no ongoing issues.
> You can also check and try it from https://security.microsoft.com/securescore directly.
> In the event that you are still encountering an issue, you can submit a support ticket from the admin portal so that this can be checked and be investigated accordingly.
Regards,
Paul R.