accessing the url: http:<hostname>:<port>/sigma/app/index#/login instead of ask for userLogin returns the following error message:
System is currently unavailable
Please, contact your system administrator
<Try Again>
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The cause of this issue is because inside that in CA Identity Portal AdminUI (https://<ip-address>:<port>/sigma/admin under menu Setup, "Managed Object Attributes", User Attributes is missing the Userid user attribute to be added.
To resolve this issue, add the the user attribute as shows in CA Identity Portal AdminUI (https://<ip-address>:<port>/sigma/admin under menu Setup, "Managed Object Attributes", User Attributes is missing the Userid user attribute to be added.
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Restart the connector
Refresh the browser