public Builder mergeFrom(com.google.cloud.workflows.executions.v1beta.Execution.Error other) {
        if (other
            == com.google.cloud.workflows.executions.v1beta.Execution.Error.getDefaultInstance())
          return this;
        if (!other.getPayload().isEmpty()) {
          payload_ = other.payload_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (!other.getContext().isEmpty()) {
          context_ = other.context_;
          bitField0_ |= 0x00000002;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<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