public Builder setStateError(
        com.google.cloud.workflows.executions.v1.Execution.StateError value) {
      if (stateErrorBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        stateError_ = value;
      } else {
        stateErrorBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00001000;
      onChanged();
      return this;
    }
<pre>
Output only. Error regarding the state of the Execution resource. For
example, this field will have error details if the execution data is
unavailable due to revoked KMS key permissions.
</pre>

<code>
.google.cloud.workflows.executions.v1.Execution.StateError state_error = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java