How To Fix /SAPAPO/RSP639 - Could not find WUL matrix handle in liveCache; no requirements determined

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 639

• Message text: Could not find WUL matrix handle in liveCache; no requirements determined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP639 - Could not find WUL matrix handle in liveCache; no requirements determined ?

  The SAP error message /SAPAPO/RSP639 Could not find WUL matrix handle in liveCache; no requirements determined typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the LiveCache component. This error indicates that the system is unable to find the Workload Unit List (WUL) matrix handle in the LiveCache, which is necessary for determining requirements.
  Causes:
  
  Missing or Incomplete Data: The WUL matrix may not have been created or may be incomplete. This can happen if the planning data is not properly set up or if there are issues with the master data.
  LiveCache Issues: There may be problems with the LiveCache itself, such as it being down, not properly connected, or having corrupted data.
  Configuration Issues: Incorrect configuration settings in the APO system or in the LiveCache can lead to this error.
  Planning Version: The planning version being used may not have the necessary data or may not be activated.
  Authorization Issues: Lack of proper authorizations to access the required data in LiveCache.
  
  Solutions:
  
  Check Data Setup: Ensure that all necessary master data (like product, location, and resource) is correctly set up and that the planning data is complete.
  Recreate WUL Matrix: If the WUL matrix is missing, you may need to recreate it. This can often be done by running the relevant planning functions or jobs that generate the WUL matrix.
  Check LiveCache Status: Verify that the LiveCache is running properly. You can check the status of LiveCache using transaction codes like /SAPAPO/LC10 or /SAPAPO/LC20.
  Review Configuration: Check the configuration settings in the APO system to ensure they are correct. This includes settings related to planning areas and versions.
  Check Planning Version: Make sure that the planning version you are using is active and contains the necessary data.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data in LiveCache.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/LC10 (LiveCache Monitor) and /SAPAPO/LC20 (LiveCache Administration).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to APO and LiveCache for more detailed information on configuration and data management.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.