How To Fix /SAPAPO/DDE012 - LiveCache connection failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DDE -

• Message number: 012

• Message text: LiveCache connection failed

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/DDE012 - LiveCache connection failed ?

  The SAP error message /SAPAPO/DDE012 LiveCache connection failed typically indicates that there is an issue with the connection between the SAP system and the LiveCache database. LiveCache is a component used in SAP Advanced Planning and Optimization (APO) for storing and processing large amounts of planning data.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the LiveCache server.
  LiveCache Server Down: The LiveCache server might be down or not running.
  Configuration Issues: Incorrect configuration settings in the SAP system or LiveCache settings can lead to connection failures.
  Authorization Issues: The user may not have the necessary authorizations to access LiveCache.
  Resource Limitations: The LiveCache server may be experiencing resource limitations (e.g., memory, CPU).
  Version Mismatch: There may be a version mismatch between the SAP system and the LiveCache.
  
  Solutions:
  
  Check LiveCache Status: Ensure that the LiveCache server is up and running. You can check this using transaction code LC10 in the SAP GUI.
  Network Connectivity: Verify that there are no network issues preventing the SAP system from connecting to the LiveCache server. You can use tools like ping or telnet to test connectivity.
  Review Configuration: Check the configuration settings in the SAP system (transaction RSCUSTV1 for LiveCache settings) and ensure they are correct.
  Check Authorizations: Ensure that the user has the necessary authorizations to access LiveCache. You can check this in transaction SU53 after the error occurs.
  Monitor Resources: Use monitoring tools to check the resource usage on the LiveCache server. If resources are low, consider optimizing or upgrading the server.
  Restart Services: If the LiveCache server is running but still not responding, consider restarting the LiveCache service.
  Check Logs: Review the logs for both the SAP system and the LiveCache server for any error messages that could provide more context on the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  
  Related Information:
  
  
  Transaction Codes: 
  
  LC10: To check the status of LiveCache.
  RSCUSTV1: To view and modify LiveCache settings.
  SM21: To check system logs for errors.
  ST22: To check for dumps that may provide more information about the error.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for LiveCache and APO for more detailed troubleshooting steps and configuration guidelines.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.