How To Fix RZ523 - Single Key

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 523

• Message text: Single Key

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 RZ523 - Single Key ?

  The SAP error message RZ523, which indicates a "Single Key" issue, typically arises in the context of system monitoring and performance analysis. This error is often related to the configuration of the SAP system, particularly in relation to the monitoring of background jobs, system logs, or performance metrics.
  Cause:
  The RZ523 error usually occurs due to one of the following reasons:
  
  Configuration Issues: The monitoring settings in transaction RZ20 or RZ21 may not be correctly configured, leading to a single key being used where multiple keys are expected.
  Data Collection Problems: There may be issues with the data collection process for the metrics being monitored, resulting in incomplete or incorrect data.
  System Performance: If the system is under heavy load or if there are performance bottlenecks, it may not be able to process monitoring requests properly.
  Authorization Issues: Lack of proper authorizations for the user trying to access the monitoring data can also lead to this error.
  
  Solution:
  To resolve the RZ523 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to transaction RZ20 or RZ21 and review the configuration settings for the monitoring of the relevant metrics.
  Ensure that the monitoring setup is correct and that multiple keys are defined where necessary.
  
  
  
  Review Data Collection:
  
  Check the data collection jobs and ensure they are running correctly. You can do this by looking at transaction SM37 to see if there are any failed jobs.
  If there are issues, restart the data collection jobs or adjust their scheduling.
  
  
  
  System Performance:
  
  Monitor the system performance using transaction ST03N or ST06 to identify any bottlenecks.
  If the system is under heavy load, consider optimizing the workload or increasing system resources.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the monitoring data. You can check this in transaction SU53 or by consulting with your security team.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  Consult Documentation:
  
  Review the official SAP documentation for monitoring and performance management to ensure best practices are being followed.
  
  
  
  Related Information:
  
  Transaction Codes: RZ20 (CCMS Monitoring), RZ21 (CCMS Monitoring Configuration), SM37 (Job Monitoring), ST03N (Workload Analysis), ST06 (Operating System Monitor).
  SAP Notes: Always check for the latest SAP Notes related to RZ523 for any specific fixes or recommendations.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.