# SYNC401: Sync task crashed

## What this means[​](#what-this-means "Direct link to What this means")

A background sync task stopped unexpectedly before finishing.

The POS restarts these tasks automatically and no order data is affected. If this code keeps appearing, export diagnostics and contact support.

## What to do[​](#what-to-do "Direct link to What to do")

Try the action again. WCPOS retries this automatically.

## Your data[​](#your-data "Direct link to Your data")

No order or product data is affected. If this persists, export diagnostics and contact WCPOS support.

## Details[​](#details "Direct link to Details")

* **Code:** `SYNC401` (`SYNC_TASK_CRASHED`)
* **Severity:** error
* **Introduced in:** WCPOS 1.10.0