DirNotFound is returned when a source or destination directory is not found.

FatalError is returned for errors one or more retries won't resolve.

FileNotFound is returned when a source or destination file is not found.

NoFilesTransferred everything succeeded, but no transfer was made.

NoRetryError is returned for errors from operations which can't/shouldn't be retried.

RetryError is returned for temporary errors during operations which may be retried.

Success is returned when rclone finished without error.

TransferExceeded is returned when network I/O exceeded the quota.

UncategorizedError is returned for any error not categorised otherwise.

UsageError is returned when there was a syntax or usage error in the arguments.