@java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new Error();
    }
<pre>
Error describes why the execution was abnormally terminated.
</pre>

Protobuf type {@code google.cloud.workflows.executions.v1beta.Execution.Error}
java-workflow-executions/proto-google-cloud-workflow-executions-v1beta/src/main/java/com/google/cloud/workflows/executions/v1beta/Execution.java