How To Fix CNV_20200_CHECK268 - Double mapping entry provided for source CJ bus. trans. &1 in CoCd &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20200_CHECK - Messages for check functions (company code merge)

• Message number: 268

• Message text: Double mapping entry provided for source CJ bus. trans. &1 in CoCd &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20200_CHECK268 - Double mapping entry provided for source CJ bus. trans. &1 in CoCd &2 ?

  The SAP error message CNV_20200_CHECK268 indicates that there is a double mapping entry for a source business transaction (CJ) in a specific company code (CoCd). This typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the migration of data from legacy systems to SAP.
  Cause:
  The error is caused by having multiple mapping entries for the same source business transaction in the mapping table. This can happen due to:
  
  Duplicate Entries: There are two or more entries in the mapping table for the same source transaction and company code.
  Incorrect Configuration: The mapping configuration may have been set up incorrectly, leading to conflicting entries.
  Data Integrity Issues: The source data may have inconsistencies or duplicates that were not addressed before the mapping process.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Table: Review the mapping table for the specific source business transaction (CJ) and company code (CoCd) mentioned in the error message. Look for duplicate entries.
  
  
  Remove Duplicates: If you find duplicate entries, remove or consolidate them to ensure that there is only one mapping entry for each source transaction in the specified company code.
  
  
  Validate Configuration: Ensure that the mapping configuration is set up correctly and that there are no conflicting rules that could lead to double mappings.
  
  
  Data Cleansing: If the source data has duplicates, perform data cleansing to eliminate any inconsistencies before running the migration process again.
  
  
  Test Migration: After making the necessary changes, test the migration process to ensure that the error does not occur again.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to view and edit the mapping tables.
  SAP Notes: Check SAP Notes related to data migration and the specific error message for any additional guidance or patches that may be available.
  Documentation: Refer to SAP documentation on data migration and the specific tools you are using (e.g., SAP S/4HANA Migration Cockpit) for best practices and troubleshooting tips.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.