How To Fix /SAPAPO/DSP023 - Error in initialization of upper table splitter

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DSP -

• Message number: 023

• Message text: Error in initialization of upper table splitter

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/DSP023 - Error in initialization of upper table splitter ?

  The SAP error message /SAPAPO/DSP023 Error in initialization of upper table splitter typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the initialization of the data structures used for displaying or processing data in the APO system. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or corrupted entries in the database.
  Configuration Issues: Incorrect settings in the APO configuration can lead to problems during the initialization of data structures.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may fail to initialize the required components.
  Version Compatibility: There may be compatibility issues between different versions of SAP components or between SAP and the database.
  Memory Issues: Insufficient memory allocation for the APO processes can lead to initialization failures.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like /SAPAPO/TSM (Transaction Data Consistency Check) to check for inconsistencies in the data. Correct any issues found.
  Review Configuration Settings: Ensure that the APO configuration settings are correct. This includes checking the settings for the planning area, data views, and other relevant configurations.
  Monitor System Performance: Use transaction codes like ST02 (Tune Summary) or ST04 (Database Performance Analysis) to monitor system performance and identify any bottlenecks.
  Increase Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the APO processes in the SAP system profile parameters.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Review Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on troubleshooting.
  
  Related Information:
  
  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 relevant logs and system configurations.
  Documentation: Review the official SAP documentation for APO to understand the specific components involved in the initialization process and any related configuration settings.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/DSP023 error effectively.