How To Fix /SAPAPO/RSP642 - Error occurred when calculating matrices from liveCache

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 642

• Message text: Error occurred when calculating matrices from liveCache

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP642 - Error occurred when calculating matrices from liveCache ?

  The SAP error message /SAPAPO/RSP642 typically indicates that there was an issue when trying to calculate matrices from the LiveCache in the SAP Advanced Planning and Optimization (APO) module. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the LiveCache itself.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect master data.
  LiveCache Issues: The LiveCache might be down, not properly configured, or experiencing performance issues.
  Memory Issues: Insufficient memory allocation for the LiveCache can lead to calculation failures.
  Configuration Errors: Incorrect settings in the APO configuration can lead to errors during matrix calculations.
  Version Compatibility: There may be compatibility issues between the APO version and the LiveCache version.
  
  Solutions:
  
  Check LiveCache Status: Ensure that the LiveCache is up and running. You can check the status using transaction code /SAPAPO/LC10 or /SAPAPO/LC20.
  Data Consistency Check: Use transaction /SAPAPO/TS to check for inconsistencies in the master data. Correct any inconsistencies found.
  Memory Configuration: Review and adjust the memory settings for the LiveCache. Ensure that it has enough memory allocated to handle the calculations.
  Rebuild Matrices: If the matrices are corrupted, you may need to rebuild them. This can be done using the appropriate transaction codes or programs in APO.
  Check Configuration: Review the configuration settings in APO to ensure they are set up correctly. This includes checking the settings for the planning area and the relevant key figures.
  Update Software: Ensure that both the APO and LiveCache components are updated to the latest versions to avoid compatibility issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/LC10, /SAPAPO/LC20, and /SAPAPO/TS.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or screenshots.
  Documentation: Review the official SAP documentation for APO and LiveCache for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/RSP642 error.