SAML SSO Callback URL issue

We are using a federated login for Postman, and by the time I click on the link that was given to us, I am running into this error.

Something went wrong. Our engineers are working on fixing this as soon as possible.
Request Trace: v=1;t=51b43afa77ac42a9

The SAML Callback URL we are using is this one:

Do we lack a parameter for our callback?

It looks like you are logging in for the first time using this login method.
For the first time login, please make sure you have Allow signups enabled in SSO method configuration and there are available slots on your team. Or you can sign up if you have a valid invite to join the team.

For more details you can take a took at