How To Fix LK012 - Message type & cannot be processed in selected function module

SAP Error Message - Details

• Message type: E = Error

• Message class: LK - WM -> SUB connection messages

• Message number: 012

• Message text: Message type & cannot be processed in selected function module

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LK012 - Message type & cannot be processed in selected function module ?

  The SAP error message LK012, which states "Message type & cannot be processed in selected function module," typically occurs when there is an issue with the configuration or processing of message types in the context of the Logistics Execution (LE) module or other related areas in SAP.
  Cause:
  
  
  Incorrect Message Type Configuration: The message type specified in the error may not be correctly configured in the system. This could be due to missing entries in the relevant customizing tables or incorrect settings.
  
  
  Function Module Limitations: The function module being called may not support the specified message type. This can happen if the function module is designed to handle only certain message types.
  
  
  Missing or Inactive Message Type: The message type may not be active or may not exist in the system. This can occur if the message type was deleted or not properly set up.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to process the specified message type.
  
  
  Solution:
  
  
  Check Message Type Configuration:
  
  Go to transaction code SPRO and navigate to the relevant configuration for message types.
  Ensure that the message type in question is correctly defined and active.
  
  
  
  Review Function Module:
  
  Identify the function module that is generating the error. You can do this by checking the program or transaction that triggered the error.
  Review the documentation for the function module to confirm which message types it supports.
  
  
  
  Activate or Create Message Type:
  
  If the message type is missing or inactive, you may need to create it or activate it in the system.
  Use transaction NACE to manage message types and ensure that the necessary settings are in place.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to process the message type. This can be done by checking the user's roles and authorizations in transaction SU01.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the program or function module to trace the exact point of failure and gather more information about the context in which the error occurs.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  NACE - for message type configuration.
  SPRO - for accessing the SAP Customizing Implementation Guide.
  SE37 - for viewing and analyzing function modules.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other SAP-related discussion boards for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the root cause of the LK012 error and implement a solution to resolve it.