A Global Administrator would need to go to that page and click Grant admin consent button.
You can see the documentation on admin consent here: https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/grant-admin-consent
Make sure that if you're the only one or just opened the account that you are an admin on Microsoft 365.
Once that is verified you will automatically be a global administrator and then you will have access to all admin features.
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