How To Fix ME788 - Order no. & in IDoc item differs from order no. & in IDoc header

ME788 - Overview

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 788

• Message text: Order no. & in IDoc item differs from order no. & in IDoc header

What causes this issue?

Purchase order no. &V1& in the IDoc item segment differs from PO no.
&V2& in the IDoc header segment.

How to fix this error?

Get the supplier to transmit only confirmations/acknowledgments relating
to one particular order number in one IDoc.

Error message extract from SAP system. Copyright SAP SE.

ME788 - Details

• The SAP error message ME788 indicates a mismatch between the order number in the IDoc item and the order number in the IDoc header. This error typically occurs during the processing of IDocs related to purchasing documents, such as purchase orders.
  
  Cause:
  The error is caused by a discrepancy between the order number specified in the IDoc header and the order number specified in one or more of the IDoc items. This can happen due to several reasons, including:
  
  Data Entry Errors: Incorrect data entry when creating the IDoc, leading to mismatched order numbers.
  IDoc Generation Issues: Problems during the generation of the IDoc, where the header and item data are not synchronized.
  Manual Modifications: If the IDoc was manually modified or incorrectly generated, it could lead to inconsistencies.
  System 
  Configuration Issues: Misconfiguration in the system that affects how IDocs are generated or processed.
  
  
  Solution:
  To resolve the ME788 error, you can take the following steps:
  
  
  Check IDoc Data: