How To Fix CNV_10020266 - Select only rows with the same table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 266

• Message text: Select only rows with the same table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020266 - Select only rows with the same table ?

  The SAP error message CNV_10020266 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system has detected an inconsistency in the data selection criteria, specifically that the rows being processed do not belong to the same table or are not compatible for the operation being performed.
  Cause:
  The error is usually caused by one of the following issues:
  
  Inconsistent Data Selection: The data being selected for processing comes from different tables or sources that are not compatible with each other.
  Incorrect Mapping: The mapping of fields or tables in the migration or conversion process may not be set up correctly, leading to attempts to process data from different sources together.
  Data Integrity Issues: There may be underlying data integrity issues where the expected relationships between tables are not maintained.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Review Data Selection Criteria:
  
  Ensure that the data being selected for processing comes from the same table or is compatible. Check the configuration of the migration or conversion process to confirm that the correct tables are being referenced.
  
  
  
  Check Mapping Configuration:
  
  Review the mapping settings in the migration tool. Ensure that the source and target fields are correctly mapped and that they correspond to the same table structure.
  
  
  
  Validate Data Integrity:
  
  Perform a data integrity check on the source data to ensure that there are no inconsistencies or missing relationships between the tables involved.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration or conversion tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  
  
  
  Use Debugging Tools:
  
  If available, use debugging tools or logs to trace the exact point of failure. This can provide more context on which tables or rows are causing the issue.
  
  
  
  Seek SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance. They may provide insights based on the specific context of your migration or conversion scenario.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for any known issues or best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.