How To Fix B1033 - No function module for input process code &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 033

• Message text: No function module for input process code &

What causes this issue?

The function module which performs application input for input process
code &v1& could not be determined.

How to fix this error?

Maintain ALE input methods.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1033 - No function module for input process code & ?

  The SAP error message B1033, which states "No function module for input process code &," typically occurs in the context of Electronic Data Interchange (EDI) or Intermediate Document (IDoc) processing. This error indicates that the system is unable to find a corresponding function module for the specified input process code, which is essential for processing incoming data.
  Cause:
  
  Missing Function Module: The specified process code does not have an associated function module defined in the system.
  Incorrect Process Code: The process code being used may be incorrect or not defined in the system.
  Configuration Issues: There may be configuration issues in the EDI or IDoc settings that prevent the system from recognizing the process code.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  
  
  Check Process Code Configuration:
  
  Go to transaction code WE42 (for EDI) or WE20 (for IDocs) and verify that the process code is correctly defined and linked to a function module.
  Ensure that the process code is active and correctly configured.
  
  
  
  Define or Assign Function Module:
  
  If the function module does not exist, you may need to create it or assign an existing function module to the process code.
  Use transaction code SE37 to create or modify the function module.
  
  
  
  Verify Function Module:
  
  Ensure that the function module associated with the process code is correctly implemented and does not contain errors.
  Test the function module independently to ensure it works as expected.
  
  
  
  Check for Transport Issues:
  
  If the function module was recently transported, check the transport logs for any errors.
  Ensure that all necessary objects were included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific process code and function module to ensure compliance with best practices.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the failure occurs. Use transaction SE80 or SE37 to analyze the code flow.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE42: Maintain Process Codes
  WE20: Partner Profiles
  SE37: Function Module
  SE80: Object Navigator
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message B1033.
  
  
  Documentation: Review the SAP Help Portal for detailed information on EDI and IDoc processing.
  
  
  By following these steps, you should be able to identify the cause of the B1033 error and implement a solution to resolve it. If the problem persists, consider reaching out to SAP support for further assistance.