How To Fix /SAPAPO/MC01_ECV002 - Connection to liveCache failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01_ECV -

• Message number: 002

• Message text: Connection to liveCache failed

Self-Explanatory Message

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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/MC01_ECV002 - Connection to liveCache failed ?

  The SAP error message /SAPAPO/MC01_ECV002 Connection to liveCache failed typically indicates that there is an issue with the connection between the SAP system and the liveCache database, which is used in SAP Advanced Planning and Optimization (APO) for storing and processing planning data.
  Causes:
  
  LiveCache Service Not Running: The liveCache service may not be started or may have crashed.
  Network Issues: There could be network connectivity issues between the SAP application server and the liveCache server.
  Configuration Issues: Incorrect configuration settings in the SAP system or liveCache settings can lead to connection failures.
  Resource Limitations: The liveCache server may be running out of resources (e.g., memory, CPU), causing it to be unresponsive.
  Database Issues: There may be issues with the underlying database that liveCache uses, such as corruption or misconfiguration.
  
  Solutions:
  
  
  Check LiveCache Status:
  
  Ensure that the liveCache service is running. You can check this using transaction LC10 in the SAP GUI.
  If it is not running, start the service and monitor for any errors during startup.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues between the SAP application server and the liveCache server. You can use tools like ping or telnet to check connectivity.
  Ensure that the correct ports are open and not blocked by firewalls.
  
  
  
  Configuration Settings:
  
  Review the configuration settings in the SAP system for liveCache. Check transaction RSCUSTV10 for relevant settings.
  Ensure that the liveCache instance is correctly defined in the SAP system.
  
  
  
  Resource Monitoring:
  
  Monitor the resource usage on the liveCache server. Check for memory and CPU usage to ensure that it is not overloaded.
  If resource limitations are identified, consider increasing the resources allocated to the liveCache server.
  
  
  
  Database Health Check:
  
  Perform a health check on the underlying database used by liveCache. Look for any signs of corruption or misconfiguration.
  If issues are found, you may need to restore from a backup or perform database repair operations.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  If the issue persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  LC10: To check the status of liveCache.
  RSCUSTV10: To view and modify liveCache settings.
  
  
  Documentation: Refer to the official SAP documentation for liveCache and APO for detailed configuration and troubleshooting steps.
  Monitoring Tools: Use SAP Solution Manager or other monitoring tools to keep track of system performance and connectivity issues.
  
  By following these steps, you should be able to diagnose and resolve the connection issue with liveCache in your SAP APO environment.