How To Fix CNV_20335_CHECK023 - Bus. process &1:Field &2 needs to be unique in period &3 (fiscal year &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20335_CHECK - Message Class for 20335 Checks

• Message number: 023

• Message text: Bus. process &1:Field &2 needs to be unique in period &3 (fiscal year &4)

Self-Explanatory Message

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• What is the cause and solution for SAP error message CNV_20335_CHECK023 - Bus. process &1:Field &2 needs to be unique in period &3 (fiscal year &4) ?

  The SAP error message CNV_20335_CHECK023 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific field in a business process must have unique values for a given period (usually a fiscal year). Here’s a breakdown of the components of the error message:
  Cause:
  
  Non-Unique Values: The error arises when the system detects that the values in the specified field (&2) are not unique for the specified period (&3) in the fiscal year (&4). This could happen if there are duplicate entries in the data being migrated or converted.
  Data Integrity Issues: The underlying data may have integrity issues, such as duplicates or incorrect entries that violate the uniqueness constraint required by the business process (&1).
  
  Solution:
  
  Identify Duplicates: Review the data that is being migrated or converted. You can use SQL queries or data analysis tools to identify duplicate entries for the specified field in the given period and fiscal year.
  Data Cleansing: Once duplicates are identified, you will need to cleanse the data. This may involve:
  
  Removing duplicates.
  Merging records if appropriate.
  Correcting any erroneous entries.
  
  
  Adjust Data Load: If the duplicates are legitimate and cannot be removed, you may need to adjust your data load strategy. This could involve changing how data is structured or loaded into the system.
  Re-run Migration: After cleansing the data, re-run the migration or conversion process to see if the error persists.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE16 or SE11 to inspect the relevant database tables for duplicates.
  Data Migration Tools: Familiarize yourself with the specific data migration tools and their requirements, as they may have specific guidelines for ensuring data uniqueness.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  Documentation: Review the documentation for the specific business process and the data model to understand the uniqueness constraints better.
  
  By following these steps, you should be able to resolve the CNV_20335_CHECK023 error and ensure that your data migration or conversion process proceeds smoothly.