How To Fix CNV_20200_CHECK347 - Double mapping entry provided for source house bank account (&1,&2,&3)

CNV_20200_CHECK347 - Overview

• Message type: E = Error

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

• Message number: 347

• Message text: Double mapping entry provided for source house bank account (&1,&2,&3)

What causes this issue?

Source house bank account &V1& in house bank &V2& of company code &V3&
is assigned to multiple target values.

System Response

Error

How to fix this error?

Provide a suitable mapping for house bank account IDs.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

CNV_20200_CHECK347 - Details

• The SAP error message CNV_20200_CHECK347 indicates that there is a double mapping entry for a source house bank account in the context of a data migration or conversion process. This typically occurs during the use of the SAP S/4HANA Migration Cockpit or similar tools when mapping financial data, particularly house bank accounts.
  
  Cause:
  The error arises when the system detects that the same source house bank account is being mapped to multiple target house bank accounts. This can happen due to:
  
  Duplicate Entries: There are duplicate entries in the mapping table for the same source house bank account.
  Incorrect Mapping Logic: The mapping logic may not be correctly defined, leading to multiple mappings for the same source account.
  Data Quality Issues: The source data may contain inconsistencies or duplicates that were not addressed prior to the migration.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Entries:
  
  Review the mapping configuration for house bank accounts in