How To Fix CNV858 - No records were selected for table &; reload is not necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 858

• Message text: No records were selected for table &; reload is not necessary

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 CNV858 - No records were selected for table &; reload is not necessary ?

  The SAP error message CNV858 indicates that no records were selected for a specific table during a data migration or conversion process, and it suggests that a reload of the data is not necessary. This message is typically encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
  Cause:
  
  No Data Available: The most straightforward reason for this error is that there are simply no records in the source system that meet the selection criteria for the specified table.
  Selection Criteria: The selection criteria defined for the data extraction might be too restrictive, leading to no records being selected.
  Data Mapping Issues: There could be issues with how the data is mapped from the source to the target system, resulting in no valid records being found.
  Configuration Issues: Incorrect configuration settings in the migration tool or the data migration process can lead to this error.
  Data Already Processed: If the data has already been processed or migrated in a previous run, it may not be available for selection again.
  
  Solution:
  
  Check Data Availability: Verify that there are records in the source system for the specified table. You can do this by running a query or report in the source system.
  Review Selection Criteria: Examine the selection criteria used in the migration process. Ensure that they are set correctly and are not overly restrictive.
  Data Mapping Verification: Check the data mapping configuration to ensure that it aligns with the source data structure and that there are no discrepancies.
  Configuration Review: Review the configuration settings of the migration tool to ensure they are set up correctly for the data migration process.
  Log Analysis: Look at the logs generated during the migration process for any additional error messages or warnings that might provide more context about the issue.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any additional troubleshooting steps or guidelines.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its functionalities and best practices for data migration.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.