An error occurred (InvalidClientTokenId) when calling the DescribeDBInstances operation: The security token included in the reque

Course Q&A Data Engineering Introduction to Data Engineering
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I am facing below error

An error occurred (InvalidClientTokenId) when calling the DescribeDBInstances operation: The security token included in the request is invalid.

aws rds describe-db-instances --db-instance-identifier de-c1w2-rds --output text --query “DBInstances.Endpoint.Address”