public DescribeFleetError withErrorMessage(String errorMessage) {
        setErrorMessage(errorMessage);
        return this;
    }
<p>
The error message that describes why the instance could not be launched. For more information about error
messages, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/errors-overview.html.html">Error
codes</a>.
</p>

@param errorMessage
       The error message that describes why the instance could not be launched. For more information about error
       messages, see <a
       href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/errors-overview.html.html">Error codes</a>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeFleetError.java