How To Fix /SAPAPO/MSDP_SH020 - Internal error during transfer of selection to shuffler

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_SH -

• Message number: 020

• Message text: Internal error during transfer of selection to shuffler

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MSDP_SH020 - Internal error during transfer of selection to shuffler ?

  The SAP error message /SAPAPO/MSDP_SH020 Internal error during transfer of selection to shuffler typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data being processed or transferred to the shuffler component. This error can arise due to various reasons, including data inconsistencies, configuration issues, or system performance problems.
  Possible Causes:
  
  Data Inconsistencies: There may be issues with the data being processed, such as missing or incorrect entries in the master data or transaction data.
  Configuration Issues: Incorrect settings in the APO system or in the specific planning area can lead to this error.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may lead to internal errors during processing.
  Software Bugs: There may be bugs in the version of the software you are using that could cause this error.
  
  Solutions:
  
  
  Check Data Integrity:
  
  Verify the master data and transaction data for any inconsistencies or missing entries.
  Use transaction codes like /SAPAPO/SDP94 to check for any issues in the planning book or data.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for the planning area and the shuffler are correct.
  Check the settings in the APO system to ensure they align with the business processes.
  
  
  
  Monitor System Performance:
  
  Check system performance metrics to see if there are any bottlenecks or resource constraints.
  Consider optimizing the system or increasing resources if necessary.
  
  
  
  Check for Software Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the error in more detail to identify the root cause.
  Use transaction codes like /n/SM37 to check for job logs and see if there are any additional error messages that provide more context.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message.
  Implement any recommended solutions or patches provided in the notes.
  
  
  
  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/SDP94 for planning book analysis and /n/SM37 for job monitoring.
  SAP Documentation: Review the official SAP documentation for APO and the shuffler component to understand the expected behavior and configuration settings.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the error message /SAPAPO/MSDP_SH020 Internal error during transfer of selection to shuffler.