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

# Error Handling

> Handle SDK errors gracefully

## Usage

<Tabs>
  <Tab title="Node.js">
    ```javascript theme={null}
    try {
      await client.publish("order/created", ["partner-id"], payload);
    } catch (error) {
      if (error instanceof EnSyncError) {
        console.error("EnSync Error:", error.message);
        
        if (error.name === "EnSyncConnectionError") {
          // Retry connection
        } else if (error.name === "EnSyncPublishError") {
          // Log and alert
        }
      }
    }
    ```
  </Tab>

  <Tab title="Python">
    ```python theme={null}
    try:
        await client.publish("order/created", ["partner-id"], payload)
    except EnSyncError as error:
        print(f"EnSync Error: {error}")
        
        if isinstance(error, EnSyncConnectionError):
            # Retry connection
            pass
        elif isinstance(error, EnSyncPublishError):
            # Log and alert
            pass
    ```
  </Tab>
</Tabs>

## Error Types

| Error Type                | Description                         |
| ------------------------- | ----------------------------------- |
| `EnSyncConnectionError`   | Connection or authentication issues |
| `EnSyncPublishError`      | Problems publishing events          |
| `EnSyncSubscriptionError` | Subscription-related errors         |
| `EnSyncGenericError`      | Other errors                        |