Are we supposed to run the notebook with the aws credentials that is created using AWS STS via assuming roal?

[rmbajracharya]

{ "name": "AccessDeniedException", "message": "An error occurred (AccessDeniedException) when calling the ChatSync operation: User ID must be null and identity-aware credentials must be passed for identity-center enabled applications"

This is what I get when I try to run ChatSync by using an existing application.