How To Fix IHC012 - Incorrect function module was called for message category &1

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 012

• Message text: Incorrect function module was called for message category &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IHC012 - Incorrect function module was called for message category &1 ?

  The SAP error message IHC012 ("Incorrect function module was called for message category &1") typically occurs in the context of the SAP Intercompany Financial Communication (IHC) module. This error indicates that the system is trying to call a function module that is not appropriate for the specified message category.
  Cause:
  
  Incorrect Configuration: The function module associated with a specific message category may not be correctly configured in the system.
  Missing Function Module: The required function module for processing the message category may not exist or may not be activated.
  Custom Development Issues: If there are custom developments or enhancements, they may not be correctly implemented or may be calling the wrong function module.
  Message Category Mismatch: The message category being processed does not match the expected categories for the function module being called.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the IHC configuration settings and verify that the function modules are correctly assigned to the respective message categories.
  Ensure that the message categories are correctly defined in the system.
  
  
  
  Verify Function Modules:
  
  Use transaction SE37 to check if the function module exists and is active.
  Ensure that the function module is designed to handle the specific message category being processed.
  
  
  
  Review Custom Code:
  
  If there are any custom implementations, review the code to ensure that the correct function module is being called for the intended message category.
  Debug the custom code to identify where the incorrect function module is being invoked.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to IHC for any specific requirements or known issues regarding the function modules and message categories.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on configuration.
  
  
  
  Testing:
  
  After making changes, perform thorough testing to ensure that the issue is resolved and that the correct function modules are being called for the respective message categories.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OBI4: Configuration for IHC.
  SE37: Function module maintenance.
  SE80: Object Navigator for checking custom developments.
  
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on IHC and related function modules.
  
  
  By following these steps, you should be able to identify the root cause of the IHC012 error and implement the necessary corrections to resolve it.