How To Fix CNV_CMIS_A_20213 - Different keys with identical values found in table

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 213

• Message text: Different keys with identical values found in table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20213 - Different keys with identical values found in table ?

  The SAP error message CNV_CMIS_A_20213 indicates that there are different keys in a table that have identical values. This situation typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of a Customizing or Migration project.
  Cause:
  
  Duplicate Keys: The error is often caused by the presence of duplicate entries in a table where the key fields are expected to be unique. This can happen if the data being migrated or converted has not been properly cleansed or if there are inconsistencies in the source data.
  Data Model Issues: The data model may not be correctly defined, leading to situations where multiple records can have the same values for key fields.
  Configuration Errors: Incorrect configuration settings in the migration tool or process can lead to this error.
  
  Solution:
  
  
  Identify Duplicate Records: 
  
  Use SQL queries or data analysis tools to identify the records in the table that have identical values for the key fields. 
  Example SQL query:
  SELECT key_field1, key_field2, COUNT(*)
  FROM your_table
  GROUP BY key_field1, key_field2
  HAVING COUNT(*) > 1;
  
  
  
  
  Data Cleansing: 
  
  Once duplicates are identified, you will need to determine how to handle them. This may involve:
  
  Merging records
  Deleting duplicates
  Modifying values to ensure uniqueness
  
  
  
  
  
  Review Data Mapping: 
  
  Check the data mapping and transformation rules defined in the migration process to ensure that they are correctly set up to avoid creating duplicates.
  
  
  
  Adjust Migration Settings: 
  
  If applicable, adjust the settings in the migration tool to handle duplicates appropriately, such as ignoring duplicates or updating existing records.
  
  
  
  Testing: 
  
  After making changes, re-run the migration process in a test environment to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific migration tool or process you are using. There may be specific recommendations or patches available.
  Documentation: Review the documentation for the migration tool to understand how it handles key fields and duplicates.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the CNV_CMIS_A_20213 error and ensure that your data migration or conversion process proceeds smoothly.