How To Fix /SAPAPO/MSDP_SH022 - Internal error setting a callback function module in Shuffler

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_SH -

• Message number: 022

• Message text: Internal error setting a callback function module in Shuffler

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MSDP_SH022 - Internal error setting a callback function module in Shuffler ?

  The SAP error message /SAPAPO/MSDP_SH022 Internal error setting a callback function module in Shuffler typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the configuration or execution of the Shuffler component. The Shuffler is used in the context of the Supply Network Planning (SNP) and is responsible for optimizing the planning process.
  Causes:
  
  Configuration Issues: The callback function module may not be correctly configured or may be missing. This can happen if the function module has been deleted or if there are inconsistencies in the configuration settings.
  Authorization Problems: The user executing the process may not have the necessary authorizations to access the callback function module.
  System Bugs: There may be bugs or inconsistencies in the SAP system that lead to this internal error.
  Data Issues: Inconsistent or corrupt data in the planning area or master data can also lead to this error.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration of the Shuffler and ensure that the callback function module is correctly defined.
  Go to the relevant customizing transaction (e.g., /SAPAPO/SHUFFLER) and check the settings.
  
  
  
  Review Function Module:
  
  Check if the callback function module exists in the system. You can do this by using transaction SE37 or SE80 to look for the function module.
  If it is missing, you may need to recreate it or restore it from a transport request.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to execute the callback function module. You can check this using transaction SU53 after the error occurs.
  
  
  
  System Logs:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Data Consistency:
  
  Run consistency checks on the planning area and master data to ensure there are no inconsistencies that could be causing the error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SHUFFLER, /SAPAPO/OM17 (for checking planning area), and SLG1 (for logs).
  Documentation: Review the SAP documentation related to the Shuffler and callback function modules for more insights into their configuration and usage.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message /SAPAPO/MSDP_SH022.