This application has no explicit mapping for /error, so you are seeing this as a fallback.

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Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

Mon Sep 23 20:55:11 CEST 2024
There was an unexpected error (type=None, status=999).
No message available

I am trying to connect my spring boot java application with Amazon cognito and when I put detail of user then receive this mesage