How To Fix CNV_CDMC_CA345 - Statistics Deactivated

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 345

• Message text: Statistics Deactivated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDMC_CA345 - Statistics Deactivated ?

  The SAP error message CNV_CDMC_CA345: Statistics Deactivated typically occurs in the context of data conversion or migration processes, particularly when using the SAP Conversion Tools or the SAP Data Migration Cockpit. This error indicates that the statistics collection for the data conversion process has been deactivated, which can hinder the monitoring and performance analysis of the data migration.
  Cause:
  
  Statistics Deactivation: The most common cause of this error is that the statistics collection for the relevant database tables or processes has been turned off. This can happen due to configuration settings or manual changes made by users or administrators.
  System Settings: The system may be configured in a way that does not allow for statistics to be collected during the data migration process.
  Database Configuration: Certain database settings or parameters may prevent the collection of statistics.
  
  Solution:
  
  
  Activate Statistics: 
  
  You can activate statistics collection for the relevant tables or processes. This is typically done through transaction codes like ST03N (Workload and Performance Statistics) or ST04 (Database Performance Analysis).
  You may also need to check the specific settings in the database or the SAP system configuration to ensure that statistics collection is enabled.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the SAP system related to data migration and statistics collection. Ensure that the necessary parameters are set to allow for statistics to be collected.
  
  
  
  Database Administration:
  
  If you have access to the database administration tools, check the settings related to statistics collection. You may need to consult with your database administrator to ensure that the database is configured to allow for statistics gathering.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific version of the SAP system you are using. There may be specific instructions or recommendations for resolving this error.
  
  
  
  SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may provide additional insights or patches that can resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST03N, ST04, and SE38 (for running reports) that can help in monitoring and managing performance statistics.
  SAP Notes: Check for any SAP Notes related to the CNV_CDMC_CA345 error message. SAP frequently releases notes that address specific issues and provide solutions or workarounds.
  Performance Monitoring: Understanding how to monitor performance and statistics in SAP can help prevent similar issues in the future. Regularly check and maintain the performance settings of your SAP system.
  
  By following these steps, you should be able to resolve the CNV_CDMC_CA345 error and ensure that statistics collection is properly activated for your data migration processes.