How To Fix RW601 - Incorrect function module for message type &

SAP Error Message - Details

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 601

• Message text: Incorrect function module for message type &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RW601 - Incorrect function module for message type & ?

  The SAP error message RW601 ("Incorrect function module for message type &") typically occurs when there is a mismatch between the message type and the function module that is supposed to handle it. This error is often encountered in the context of IDocs (Intermediate Documents) or when working with ALE (Application Link Enabling) in SAP.
  Cause:
  
  Incorrect Configuration: The message type is not correctly linked to the appropriate function module in the system.
  Missing Function Module: The function module that is supposed to process the message type does not exist or is not activated.
  Incorrect Message Type: The message type being used does not correspond to any defined function module in the system.
  Transport Issues: If the configuration was transported from one system to another, there might be inconsistencies or missing objects.
  
  Solution:
  
  
  Check Message Type Configuration:
  
  Go to transaction WE81 to check the message types and ensure that the correct function module is assigned to the message type in question.
  Use transaction WE60 to review the documentation for the message type and its associated function module.
  
  
  
  Verify Function Module:
  
  Use transaction SE37 to check if the function module exists and is active. If it is not active, activate it.
  Ensure that the function module is correctly implemented to handle the specific message type.
  
  
  
  Adjust Configuration:
  
  If the function module is incorrect, you may need to adjust the configuration in transaction WE20 (Partner Profiles) or WE30 (IDoc Types) to link the correct function module to the message type.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, ensure that all necessary objects were transported correctly. You may need to re-transport the missing objects or manually adjust the configuration.
  
  
  
  Testing:
  
  After making the necessary changes, test the IDoc processing again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE81: Message Types
  WE20: Partner Profiles
  WE30: IDoc Types
  SE37: Function Module
  WE60: IDoc Documentation
  
  
  
  Documentation: Review SAP documentation for IDocs and ALE to understand the relationships between message types and function modules.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the RW601 error in your SAP system.