How To Fix CNV_20900234 - Only &1 messages being displayed.(Old account existence check)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 234

• Message text: Only &1 messages being displayed.(Old account existence check)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900234 - Only &1 messages being displayed.(Old account existence check) ?

  The SAP error message CNV_20900234 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The message indicates that only a limited number of messages (in this case, &1) are being displayed due to an "Old account existence check."
  Cause:
  The error message suggests that the system is performing a check for the existence of old accounts, which may be part of a data validation or migration process. The limitation on the number of messages displayed could be due to:
  
  Configuration Settings: The system may be configured to limit the number of messages shown to avoid overwhelming the user with information.
  Data Quality Issues: There may be issues with the data being migrated, such as missing or incorrect account information.
  Performance Optimization: To enhance performance, the system might restrict the number of messages displayed to focus on the most critical issues.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Configuration: Review the configuration settings related to message display limits in the migration tool or data conversion process. Adjust the settings if necessary to allow for more messages to be displayed.
  
  
  Review Data: Investigate the data being migrated for any inconsistencies or missing information. Ensure that all accounts exist and are correctly formatted according to the requirements of the target system.
  
  
  Run Additional Checks: If possible, run additional validation checks or reports to identify any underlying issues with the accounts that may not be displayed in the initial message set.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or troubleshooting steps provided by SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They may provide insights based on the specific context of your implementation.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message CNV_20900234.