How To Fix CNV_CMIS_A_20871 - Select a table to be excluded from content comparison

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 871

• Message text: Select a table to be excluded from content comparison

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20871 - Select a table to be excluded from content comparison ?

  The SAP error message CNV_CMIS_A_20871 indicates that a specific table needs to be excluded from content comparison during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when the system expects you to specify a table that should be excluded from the content comparison process. This can happen for several reasons:
  
  Configuration Issue: The migration or conversion settings may not have been properly configured to exclude certain tables.
  Missing Table Selection: The user may not have selected a table that is required to be excluded from the comparison.
  Data Model Changes: Changes in the data model or structure may require certain tables to be excluded to avoid conflicts or errors during the migration.
  
  Solution:
  To resolve the error CNV_CMIS_A_20871, follow these steps:
  
  
  Identify the Table: Determine which table needs to be excluded from the content comparison. This information may be available in the migration documentation or logs.
  
  
  Access the Migration Tool: Open the relevant migration or conversion tool (e.g., SAP S/4HANA Migration Cockpit).
  
  
  Modify Settings:
  
  Navigate to the settings or configuration section where you can manage the content comparison.
  Look for an option to exclude tables from the comparison process.
  Add the identified table to the exclusion list.
  
  
  
  Save Changes: After making the necessary adjustments, save the changes to the configuration.
  
  
  Re-run the Migration: Attempt to re-run the migration or conversion process to see if the error is resolved.
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for the specific migration tool you are using. This documentation often provides detailed instructions on how to configure table exclusions.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or support for further assistance.