How To Fix CNV20201431 - Duplicates: FIAA-BELNR,NoRg=&1,target subobj=&2,target No=&3,fiscal yr=&4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 431

• Message text: Duplicates: FIAA-BELNR,NoRg=&1,target subobj=&2,target No=&3,fiscal yr=&4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201431 - Duplicates: FIAA-BELNR,NoRg=&1,target subobj=&2,target No=&3,fiscal yr=&4 ?

  The SAP error message CNV20201431 indicates that there are duplicate entries in the data being processed, specifically related to the fields FIAA-BELNR (which typically refers to the document number in Asset Accounting), NoRg (which may refer to a record number), target subobj (target sub-object), target No (target number), and fiscal yr (fiscal year). This error is often encountered during data migration or conversion processes, particularly when using SAP's data migration tools.
  Cause:
  The error is caused by the presence of duplicate records in the dataset being processed. This can happen due to:
  
  Incorrect data preparation or extraction processes that lead to duplicate entries.
  Data from different sources being merged without proper deduplication.
  Issues in the mapping or transformation logic that do not account for unique constraints.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Use SQL queries or data analysis tools to identify the duplicate records in your dataset. Look for duplicates based on the combination of the fields mentioned in the error message (BELNR, NoRg, target subobj, target No, fiscal yr).
  
  
  
  Data Cleansing:
  
  Once duplicates are identified, you need to decide how to handle them. Options include:
  
  Removing duplicates if they are not needed.
  Merging records if they contain complementary information.
  Adjusting the data to ensure that each record is unique.
  
  
  
  
  
  Review Data Mapping:
  
  Check the data mapping and transformation rules to ensure that they are correctly set up to prevent duplicates from being created during the migration process.
  
  
  
  Test Migration:
  
  After cleansing the data, perform a test migration to ensure that the error does not occur again. Monitor the logs for any other potential issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) for additional guidance on handling duplicates.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including data validation, cleansing, and transformation techniques.
  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 resolve the CNV20201431 error and successfully complete your data migration or conversion process.