How To Fix /SAPAPO/MC01077 - Live cache currently not available. You cannot enter classification

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 077

• Message text: Live cache currently not available. You cannot enter classification

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/MC01077 - Live cache currently not available. You cannot enter classification ?

  The SAP error message /SAPAPO/MC01077 indicates that the liveCache system, which is used in SAP Advanced Planning and Optimization (APO), is currently not available. This can prevent users from entering classification data, which is essential for various planning processes.
  Causes:
  
  LiveCache Service Down: The liveCache service may not be running or has crashed.
  Network Issues: There may 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.
  Database Issues: The underlying database for liveCache may be experiencing issues or may be down.
  Resource Limitations: The liveCache server may be running out of resources (memory, CPU, etc.), leading to unavailability.
  
  Solutions:
  
  
  Check LiveCache Status:
  
  Use transaction code LC10 in SAP to check the status of the liveCache. Ensure that it is up and running.
  
  
  
  Restart LiveCache:
  
  If the liveCache is down, restart the liveCache service. This can often resolve temporary issues.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues between the SAP application server and the liveCache server. You can use tools like ping or traceroute to diagnose connectivity.
  
  
  
  Review Configuration:
  
  Check the configuration settings for liveCache in the SAP system. Ensure that the connection parameters are correctly set.
  
  
  
  Monitor System Resources:
  
  Check the resource usage on the liveCache server. If it is running low on resources, consider optimizing the server or increasing its capacity.
  
  
  
  Check Logs:
  
  Review the logs for both the SAP system and the liveCache system for any error messages or warnings that could provide more context on the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address known issues with liveCache.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  LiveCache: A specialized database used in SAP APO for storing and processing planning data in real-time.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LC10 (LiveCache Monitor) and LC01 (LiveCache Administration).
  System Monitoring: Regularly monitor the health of the liveCache and the overall system to prevent future occurrences of this error.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /SAPAPO/MC01077 error message.