cXML Errors Catalogue and Resolution Guide

This document is a guide that outlines common errors encountered when using the cXML protocol for order and invoice exchanges. It provides a detailed catalogue of frequent cXML errors, including issues such as bad credentials, inability to find purchase order numbers, and problems with invoice line types. Each error is accompanied by specific instructions for suppliers on how to resolve the issues. For instance, if credentials do not match, suppliers are advised to verify and update their credentials. The guide also explains scenarios where invoices cannot be processed due to closed or cancelled purchase orders and offers steps for resubmission. Furthermore, it addresses validation failures related to missing unit measures and tax information. The document serves as a comprehensive resource for suppliers to understand and navigate the technical challenges associated with cXML invoicing.