How To Fix /SAPAPO/ATP261 - Temporary quantity assignment could not be saved in liveCache &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 261

• Message text: Temporary quantity assignment could not be saved in liveCache &1

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/ATP261 - Temporary quantity assignment could not be saved in liveCache &1 ?

  The SAP error message /SAPAPO/ATP261 Temporary quantity assignment could not be saved in liveCache &1 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with saving temporary quantity assignments in the liveCache. This can happen for various reasons, including data inconsistencies, configuration issues, or problems with the liveCache itself.
  Causes:
  
  LiveCache Issues: The liveCache may be down, not properly configured, or experiencing performance issues.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as incorrect or missing master data.
  Locking Issues: The system may be experiencing locking issues where the required data is locked by another process.
  Configuration Problems: Incorrect settings in the APO configuration can lead to this error.
  Memory Issues: The liveCache may not have enough memory allocated to handle the operations being performed.
  
  Solutions:
  
  Check LiveCache Status: Ensure that the liveCache is up and running. You can check the status using transaction codes like /SAPAPO/LC10 or /SAPAPO/LC20.
  Restart LiveCache: If the liveCache is down or not responding, consider restarting it. This can often resolve temporary issues.
  Review Data: Check for any inconsistencies in the data being processed. Ensure that all necessary master data (like materials, locations, etc.) is correctly set up.
  Check Locks: Use transaction code SM12 to check for any locks that might be preventing the saving of data. If necessary, release any locks that are not needed.
  Configuration Review: Review the configuration settings in APO to ensure they are set up correctly. This includes checking the settings for the relevant planning areas and key figures.
  Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the liveCache. This may require assistance from your Basis team.
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/LC10, /SAPAPO/LC20, and SM12 for monitoring and troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Review the official SAP documentation for APO and liveCache for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.