How To Fix /SAPAPO/MSDP_REL027 - Internal Error when Calling Function Module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_REL -

• Message number: 027

• Message text: Internal Error when Calling Function Module &1

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 /SAPAPO/MSDP_REL027 - Internal Error when Calling Function Module &1 ?

  The SAP error message /SAPAPO/MSDP_REL027 Internal Error when Calling Function Module &1 typically indicates that there is an internal issue within the SAP Advanced Planning and Optimization (APO) system when trying to execute a specific function module. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the function module itself.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the function module is trying to process.
  Configuration Issues: Incorrect configuration settings in the APO system can lead to this error.
  Missing or Corrupted Function Module: The function module being called may be missing, corrupted, or not properly activated.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the function module.
  System Bugs: There may be bugs in the version of SAP APO you are using that lead to this error.
  
  Solutions:
  
  Check the Function Module: Identify the function module indicated in the error message and check its status. You can do this by using transaction SE37 to view the function module and ensure it is active and correctly configured.
  Review Data: Check the relevant master and transaction data for inconsistencies. This may involve validating the data in the APO system and ensuring that all necessary data is present and correctly formatted.
  Check Configuration: Review the configuration settings in the APO system to ensure they are set up correctly. This may involve checking settings related to planning areas, key figures, and other relevant configurations.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 to analyze authorization issues.
  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.
  Debugging: If you have access to debugging tools, you can try to debug the function module to identify the exact point of failure and gather more information about the error.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message, context, and any relevant logs or screenshots.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SU53 (Authorization Check).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for APO to understand the function modules and their expected behavior.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message /SAPAPO/MSDP_REL027 Internal Error when Calling Function Module &1.