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

/SAPAPO/RSP639 - Overview

• 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

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/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