How To Fix 0S321 - Cannot display DDIC for liveCache &

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 321

• Message text: Cannot display DDIC for 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S321 - Cannot display DDIC for liveCache & ?

  The SAP error message 0S321 ("Cannot display DDIC for liveCache") typically occurs when there is an issue with accessing the Data Dictionary (DDIC) for the liveCache database. This can happen for several reasons, including configuration issues, connectivity problems, or inconsistencies in the liveCache setup.
  Causes:
  
  Configuration Issues: The liveCache may not be properly configured in the SAP system.
  Connection Problems: There may be issues with the connection between the SAP application server and the liveCache database.
  Authorization Issues: The user may not have the necessary authorizations to access the liveCache DDIC.
  LiveCache Not Running: The liveCache instance may not be running or may have encountered an error.
  Version Mismatch: There could be a version mismatch between the SAP system and the liveCache.
  
  Solutions:
  
  Check LiveCache Status: Ensure that the liveCache instance is running. You can check this using transaction codes like LC10 or LC11 to monitor the liveCache status.
  Verify Configuration: Review the configuration settings for liveCache in the SAP system. Ensure that the connection parameters are correctly set.
  Check Authorizations: Make sure that the user has the necessary authorizations to access the liveCache DDIC. You may need to consult with your security team to verify this.
  Restart LiveCache: If the liveCache is not responding, consider restarting the liveCache instance.
  Check Logs: Review the logs for any errors or warnings that might provide more context about the issue. Look for logs in the liveCache administration tools or the SAP system logs.
  Consult Documentation: Refer to SAP documentation or notes related to liveCache for any specific troubleshooting steps or known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LC10 (LiveCache Administration) and LC11 (LiveCache Monitor).
  SAP Notes: Search for SAP Notes related to liveCache and the specific error message for any patches or updates that may resolve the issue.
  System Logs: Use transaction SM21 to check system logs for any related error messages that could provide additional insights.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message 0S321.