> For the complete documentation index, see [llms.txt](https://docs.varbase.vardot.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.varbase.vardot.com/10.0.x/developers/configuring-a-varbase-site/configure-level-of-logging-and-errors.md).

# Configure Level of Logging and Errors

## Configure Error Messages to Display After Installation

It is recommended that sites running on production environments do not display any errors.

Navigate to **Administration \ Configuration \ Development \ Logging and errors**

<figure><img src="/files/BFfbuUO9sB6rTQUapHIZ" alt=""><figcaption><p>Logging and Errors Configurations</p></figcaption></figure>

Allows developers to set various options for logging errors and messages to a database or Syslog. They can choose the level of detail they want to keep in the log, and even set a unique identity for your site in the Syslog messages. The page also explains the different logging facilities and formats available.

{% hint style="danger" %}
Make sure that the Error messages to display is sat as None on production.
{% endhint %}

## Set System Error Logging Level with Drush

For `"None"` run the following command.

```
./bin/drush config:set system.logging error_level hide --yes
```

For `"Errors and warnings"` run the following command.

```
./bin/drush config:set system.logging error_level some --yes
```

For `"All messages"` run the following command.

```
./bin/drush config:set system.logging error_level all --yes
```

For `"All messages, with backtrace information"` run the following command.

```
./bin/drush config:set system.logging error_level verbose --yes
```

## Configure Level of Logging and Errors on installation

While installing Varbase, the installer will have an installation step for Development Tools

<figure><img src="/files/ei7wtcy5KZQPH4vWSI52" alt=""><figcaption><p>Varbase Development Tools</p></figcaption></figure>

On checking the "Install Development Tools" checkbox, more options will show up to configure on installation.

<figure><img src="/files/2na0Kpsh1pehV4VmNYSg" alt=""><figcaption><p>Varbase Development Tools Open - Configure Level of Logging and Errors on installation</p></figcaption></figure>

Keep Error message to display as ***None***, When installing a **Varbase Demo** site.

Change to other options when starting development for a project.

{% hint style="success" %}
Recommended to use **`"All messages, with backtrace information"`**` ``in`` `***`local development`*****`,`**` `` ``to keep track and trace of all errors and warnings. `
{% endhint %}

{% hint style="warning" %}
It is recommended that sites running on **production** environments ***DO NOT DISPLAY*** any errors.
{% endhint %}