# CHECKOUT111: Cart update failed

## What this means[​](#what-this-means "Lien direct vers 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 "Lien direct vers What to do")

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

## Your data[​](#your-data "Lien direct vers Your data")

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

## Details[​](#details "Lien direct vers Details")

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