Issue with Client Browser for XMLtooling

[Cantor, Scott]

> Trying to send email on the mailbox as my post is not working.

There are no "posts", this is a mailing list.

> I am new to Shibboleth and currently facing an issue with my SAML
> federation setup of one application which is using Shibboleth SP. Many users
> who have access to website are facing issues for XML tooling with below
> message.

The IdP has a bug. It's sending an AuthenticatingAuthority element in the assertion (which nobody really uses, so you shouldn't be sending it) and it's empty, which as Peter said is not allowed in SAML.

-- Scott