setting up an aws code deploy pipeline through bitbucket for my ec2 instance

[yamal]

INFO: Uploading application1.zip to S3.

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aws s3 cp application1.zip s3://$S3_BUCKET/my-app-1.0.0

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INFO: Registering a revision for the artifact.

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aws deploy register-application-revision --application-name $APPLICATION_NAME --revision revisionType=S3,s3Location={bucket=$S3_BUCKET,key=my-app-1.0.0,bundleType=zip}

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✖ Failed to register application revision.