How To Fix CNV_CMIS_A_20290 - Selected list contains comparable tables eg &. Try again

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 290

• Message text: Selected list contains comparable tables eg &. Try again

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20290 - Selected list contains comparable tables eg &. Try again ?

  The SAP error message CNV_CMIS_A_20290 typically occurs during data migration or conversion processes, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that the selected list contains comparable tables, which means that the system has identified multiple tables that are similar or related in a way that is causing a conflict during the operation.
  Cause:
  
  Duplicate or Similar Tables: The error arises when the system detects that the selected tables for the migration or conversion process are comparable, which can lead to ambiguity in how the data should be processed.
  Configuration Issues: There may be issues in the configuration of the migration project, such as incorrect mapping or selection of tables.
  Data Model Conflicts: The data model may have been set up in a way that causes conflicts between the tables being processed.
  
  Solution:
  
  Review Selected Tables: Check the list of selected tables in your migration project. Ensure that you are not selecting tables that are too similar or that have overlapping data.
  Adjust Table Selection: Modify your selection to include only the necessary tables. If you have multiple tables that serve similar purposes, consider consolidating them or selecting only one.
  Check Mapping Configuration: Review the mapping configuration for the migration. Ensure that the mappings are correctly defined and that there are no conflicts.
  Consult Documentation: Refer to the SAP documentation for the specific migration or conversion process you are using. There may be guidelines on how to handle comparable tables.
  Run in Smaller Batches: If possible, try running the migration in smaller batches to isolate the issue and identify which specific tables are causing the conflict.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP documentation related to the CMIS and data migration processes for best practices and troubleshooting tips.
  
  By following these steps, you should be able to resolve the CNV_CMIS_A_20290 error and proceed with your data migration or conversion tasks.