# Neural Network issues

## Loading neural network models into outdated versions of DepthAI and Luxonis OS

In case you get the error below:

```bash
[3145835086] [10.12.143.167] [1752490104.595] [NeuralNetwork(10)] [debug] Building SNPE backend
[3145835086] [10.12.143.167] [1752490104.596] [NeuralNetwork(10)] [info] Using the xml interface to get the model
[3145835086] [10.12.143.167] [1752490104.611] [NeuralNetwork(10)] [error] Couldn't build the model.
[3145835086] [10.12.143.167] [1752490104.613] [NeuralNetwork(10)] [debug] Running SNPE backend
```

update your [Luxonis OS](https://docs.luxonis.com/software-v3/sw-stack/luxonis-os.md) and
[DepthAI](https://docs.luxonis.com/software-v3/depthai/release-notes.md) to the latest versions.