# CHECKOUT111: Cart update failed

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

This change could not be applied to the cart, which is unchanged.

The item, fee, shipping line, or coupon was not added and nothing was removed. Try the action again; if it keeps failing, export diagnostics and contact support.

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

Try the action again. WCPOS does not retry this by itself — retry when you are ready.

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

The order itself is safe and unchanged. If this persists, export diagnostics and contact WCPOS support.

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

* **Code:** `CHECKOUT111` (`CART_UPDATE_FAILED`)
* **Severity:** error
* **Introduced in:** WCPOS 1.10.0