# Troubleshooting

If you can't solve your problem using any of the topics below, please join us on our [Valtimo Slack server](https://valtimo-cloud.gitbook.io/untitled/valtimo-slack-server), so we can help you solve it.

### Back-end

<details>

<summary>Condition</summary>

Solution

</details>

### Front-end

<details>

<summary>I'm getting this error in the terminal: <mark style="color:red;">ng: not found</mark></summary>

It seems like your node modules are not correctly installed. Make sure to run the command `npm install` at least once when starting a completely new workspace.

</details>
