Task failing with error related to Amazon S3 (Status Code: 403)

Issue

When running your task, it fails with one of the following errors:

Forbidden (Service: Amazon S3; Status Code: 403; Error Code: 403 Forbidden; Request ID: 6MA4BWN7615EPXJF)

or

The request signature we calculated does not match the signature you provided. Check your key and signing method. (Service: Amazon S3; Status Code: 403; Error Code: SignatureDoesNotMatch; Request ID: #############)

Cause

The error from the title occurs when the task name contains any special characters. This started happening after an internal update that changed the encoding.

Solution

To avoid this error, please, edit your task name replacing any special characters and keeping only numbers, letters and spaces. Avoid also using accent marks or any similar symbol and keep just plain letters. Characters like á, ñ, ç or any other similar character will produce the error.