# DB03003: Missing Required Field

## What This Means[​](#what-this-means "Directe link naar What This Means")

A required field was not provided. The database cannot save the record because essential information is missing.

## Common Causes[​](#common-causes "Directe link naar Common Causes")

* **Incomplete form** — Required fields weren't filled in
* **Data sync issue** — Required data didn't sync properly
* **Validation bypassed** — Form submitted without validation
* **Custom field required** — A custom required field is empty

## How to Fix[​](#how-to-fix "Directe link naar How to Fix")

### 1. Complete All Required Fields[​](#1-complete-all-required-fields "Directe link naar 1. Complete All Required Fields")

Check the form for:

* Fields marked with asterisks (\*)
* Highlighted or error-marked fields
* Empty fields that should have values

### 2. Refresh and Re-enter[​](#2-refresh-and-re-enter "Directe link naar 2. Refresh and Re-enter")

If the form state is incorrect:

1. Refresh the page/screen
2. Re-enter all information
3. Verify all fields before submitting

### 3. Check WooCommerce Settings[​](#3-check-woocommerce-settings "Directe link naar 3. Check WooCommerce Settings")

If custom fields are required:

1. Review WooCommerce checkout settings
2. Check for required custom fields
3. Ensure the POS provides these fields

### 4. Sync Required Data[​](#4-sync-required-data "Directe link naar 4. Sync Required Data")

If related data is missing:

* Refresh products/customers/etc.
* Wait for sync to complete
* Retry the operation

### 5. Review Required Field Settings[​](#5-review-required-field-settings "Directe link naar 5. Review Required Field Settings")

In WooCommerce Admin:

* Check which fields are marked required
* Consider if all are truly necessary for POS
* Adjust requirements if needed

## Common Required Fields[​](#common-required-fields "Directe link naar Common Required Fields")

Typically required for orders:

* At least one line item
* Payment method
* Customer (depending on settings)

Typically required for products:

* Product name
* Price (for simple products)

## Related Errors[​](#related-errors "Directe link naar Related Errors")

* [DB02003](/nl/error-codes/DB02003.md) — Constraint Violation
* [API03002](/nl/error-codes/API03002.md) — Missing Required Parameters