How To Fix D9403 - An error has occurred during IDoc generation

D9403 - Overview

• Message type: E = Error

• Message class: D9 - Environment Management System

• Message number: 403

• Message text: An error has occurred during IDoc generation

What causes this issue?

An error has occurred in IDoc generation, during ALE distribution.

System Response

Object distribution has been terminated.

How to fix this error?

Check ALE Customizing.

Procedure for System Administrators

This error should not occur. Report this error using OSS.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D9403 - An error has occurred during IDoc generation ?

  The SAP error message D9403, which states "An error has occurred during IDoc generation," typically indicates that there was a problem during the creation of an IDoc (Intermediate Document) in the SAP system. This error can arise from various causes, and understanding the root cause is essential for finding a solution.
  Possible Causes:
  
  
  Data Issues: The data being processed may be incomplete, incorrect, or not conforming to the expected format. This can include missing mandatory fields or invalid data types.
  
  
  
  Configuration Issues: There may be configuration problems in the IDoc settings, such as incorrect message types, partner profiles, or port settings.
  
  
  Mapping Errors: If you are using a mapping tool (like SAP PI/PO), there may be issues in the mapping logic that prevent the IDoc from being generated correctly.
  
  
  Program Errors: The ABAP program or function module responsible for generating the IDoc may contain bugs or may not be handling certain scenarios correctly.
  
  
  Authorization Issues: The