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### SDK Enhancements
### SDK Bugs
+* `service/s3/s3manager`: Fix check for nil OrigErr in Error() [#1749](https://github.com/aws/aws-sdk-go/issues/1749)
+ * S3 Manager's `Error` type did not check for nil of `OrigErr` when calling `Error()`
+ * Fixes [#1748](https://github.com/aws/aws-sdk-go/issues/1748)
