Twilio failed to upload the recording file to the external AWS S3 bucket specified in Voice Settings due to access denied. The recording file has been deleted, and the resource has been marked as "failed".
Possible Causes
AWS credentials does not have enough permissions to upload to the bucket
The external S3 bucket has SSE-S3 enabled, only SSE-KMS is supported
Possible Solutions
Ensure AWS S3 bucket credentials are valid and have enough permission to access
If SSE-S3 is enabled, please consider switching to SSE-KMS