<p>JSON is a proper subset of YAML, so JSON is okay. Are you using the standard testnet config downloaded from <a href="https://hydra.iohk.io/build/5822084/download/1/index.html" rel="nofollow noreferrer">here</a>? It is best to wget it.</p>

CC BY-SA 4.0
2021-08-31T01:27:55.650Z
My stupid mistake, I didn't check the json files and they're improperly formatted.  Thank you!
nciao
CC BY-SA 4.0
2021-08-31T00:57:25.870Z
2021-08-31T00:57:25.870Z
Noah Jones
<p>Following the instructions here on running cardano-node:
<a href="https://developers.cardano.org/docs/get-started/running-cardano" rel="nofollow noreferrer">https://developers.cardano.org/docs/get-started/running-cardano</a></p>
<p>I'm running into an error on startup that looks like this:
<code>InvalidYaml (Just (YamlException &quot;Yaml file not found: /path/to/testnet/testnet-config.json&quot;))</code></p>
<p>Do the configuration files have to be Yaml formatted?</p>

<cardano-node>
Getting a "Yaml file not found" error when trying to run cardano-node
# Getting a "Yaml file not found" error when trying to run cardano-node

(Asked by: username_0 on 2021-08-30)

Following the instructions here on running cardano-node:
<https://developers.cardano.org/docs/get-started/running-cardano>

I'm running into an error on startup that looks like this:
`InvalidYaml (Just (YamlException "Yaml file not found: /path/to/testnet/testnet-config.json"))`

Do the configuration files have to be Yaml formatted?

**Tags:** cardano-node

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## 1 answers

### Answer by username_1 on 2021-08-31. Score: 4 | Accepted answer

JSON is a proper subset of YAML, so JSON is okay. Are you using the standard testnet config downloaded from [here](https://hydra.iohk.io/build/5822084/download/1/index.html)? It is best to wget it.

> **Comments:**
> **username_0**: My stupid mistake, I didn't check the json files and they're improperly formatted.  Thank you!  

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