I was follwing the steps in the title "Add an allow list" in https://learn.microsoft.com/en-us/azure/active-directory/external-identities/allow-deny-list As listed in steps
1.Sign in to the Azure portal.
2.Select Azure Active Directory > Users > User settings.
3.Under External users, select Manage external collaboration settings.
I cannot perform the 3rd step, An error pops up like this
what to do?