# CHECKOUT111: Cart update failed

## What this means[​](#what-this-means "What this meansへの直接リンク")

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 "What to doへの直接リンク")

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

## Your data[​](#your-data "Your dataへの直接リンク")

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

## Details[​](#details "Detailsへの直接リンク")

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