Currently, you can't login to morgue directly with an SSO-only account.  However, there is a workaround:

First, login to the Backtrace UI as usual.  Then, navigate to and copy the token in the JSON data that appears.

With this token, you can login to morgue by issuing the command:

morgue login --token=<token>

..where token is the token you copied from the api/session link above.

Note that this token may be reset upon server restart or maintenance, so if you receive messages about invalid tokens or authentication, repeat this process.

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