How To Fix /SAPAPO/PCM055 - Error while accessing the SAP liveCache

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PCM -

• Message number: 055

• Message text: Error while accessing the SAP liveCache

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/PCM055 - Error while accessing the SAP liveCache ?

  The SAP error message /SAPAPO/PCM055 indicates that there is an issue while accessing the SAP liveCache. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to connect to or retrieve data from the liveCache, which is a specialized database used for high-performance planning tasks.
  Causes of the Error
  
  LiveCache Not Running: The liveCache service may not be started or is down.
  Connection Issues: There may be network issues preventing the SAP system from connecting to the liveCache.
  Configuration Issues: Incorrect configuration settings in the SAP system or liveCache.
  Database Issues: The liveCache database may be corrupted or experiencing issues.
  Authorization Issues: The user may not have the necessary authorizations to access the liveCache.
  Version Mismatch: There may be a version mismatch between the SAP system and the liveCache.
  
  Solutions
  
  
  Check LiveCache Status:
  
  Ensure that the liveCache service is running. You can check this in the SAP system using transaction LC10 or LC11 to monitor the liveCache status.
  
  
  
  Restart LiveCache:
  
  If the liveCache is not running, restart it. This can often resolve temporary issues.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues between the SAP system and the liveCache. Check firewalls, network configurations, and ensure that the liveCache host is reachable.
  
  
  
  Configuration Review:
  
  Review the configuration settings for the liveCache in the SAP system. Ensure that the connection parameters are correctly set.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the liveCache. This may involve checking user roles and permissions.
  
  
  
  Database Integrity Check:
  
  Perform a database integrity check on the liveCache to identify and resolve any corruption issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  System Logs:
  
  Review system logs (transaction SM21) and liveCache logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  LC10: LiveCache Monitor
  LC11: LiveCache Administration
  SM21: System Log
  ST22: Dump Analysis
  
  
  
  Documentation: Refer to the official SAP documentation for liveCache and APO for detailed configuration and troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/PCM055 error effectively.