Resolved
Otter systems have been fully restored.
Monitoring
We have deployed a fix to log in via SSO on the iOS app.
Please update your app to version 3.90.1 and try logging in with SSO once more.
We apologize for any inconvenience.
Identified
Our team has identified the issue and is made a fix which must be reviewed by the Apple iOS store.
Version 3.90.1 will contain the fix and we'll be releasing it as soon as Apple approves the update.
We apologize for any inconvenience.