How To Fix WTADDI_APPL029 - Data for additional & is matched to new document data

WTADDI_APPL029 - Overview

• Message type: E = Error

• Message class: WTADDI_APPL - Messages for Application Log LO-ADM/APPL

• Message number: 029

• Message text: Data for additional & is matched to new document data

What causes this issue?

Adjustments to new document data means that either the quantity or the
delivery date for reference documents are to be changed.
This data is important for additionals and must therefore be adjusted
accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WTADDI_APPL029 - Data for additional & is matched to new document data ?

  The SAP error message:
  WTADDI_APPL029: Data for additional & is matched to new document data
  typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) during the processing of warehouse tasks or documents.
  
  Cause
  This error indicates that the system has detected that the data for an additional field (often a user-defined or custom field) in the warehouse task or document is identical or matches the data in a new document that is being created or processed. Essentially, the system expects the additional data to be unique or different for the new document, but it finds a match with existing data.
  This can happen due to:
  
  Duplicate entries in additional fields that are supposed to be unique.
  Incorrect or missing configuration of additional fields or their validation rules.
  Data inconsistencies caused by custom enhancements or user exits that populate additional fields.
  Attempting to create or post a warehouse document with additional data that conflicts with