> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lerian.studio/llms.txt
> Use this file to discover all available pages before exploring further.

# Reliability and support

> Error handling, testing, and support channels that keep Lerian integrations stable and easy to maintain.

This section helps you keep your integrations stable, reliable, and easy to maintain. It covers how to handle errors, validate quality, and get help when something goes wrong.

## Available pages

***

<div className="space-y-6 w-full sm:max-w-4xl">
  <Columns cols={3}>
    <Card title="Error handling" icon="triangle-exclamation" href="/en/reference/error-handling">
      Learn how Lerian services communicate errors and how to design resilient integrations.
    </Card>

    <Card title="Testing and quality assurance" icon="vial-circle-check" href="/en/reference/testing-quality-assurance">
      Explore recommended testing strategies, tools, and validation flows.
    </Card>

    <Card title="Troubleshooting and support" icon="life-ring" href="/en/reference/troubleshooting-support">
      Diagnose issues, review logs, and reach out to our support team.
    </Card>
  </Columns>
</div>