How To Fix CNV20200318 - Company code &1/ house bank ID &2 exists more than once as a target value

CNV20200318 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 318

• Message text: Company code &1/ house bank ID &2 exists more than once as a target value

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200318 - Company code &1/ house bank ID &2 exists more than once as a target value ?

  The SAP error message CNV20200318 indicates that there is a duplicate entry for a specific combination of company code and house bank ID in the target values during a data migration or conversion process. This typically occurs in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer methods.
  
  Cause:
  The error arises when the system detects that the same company code and house bank ID combination is present more than once in the target data set. This can happen due to:
  
  Duplicate Data Entries: The source data may contain duplicate entries for the same company code and house bank ID.
  Incorrect Mapping: During the mapping process, the same target values may have been assigned to multiple source records.
  
  Configuration Issues: There may be issues in the configuration of the migration tool or the data model that lead to duplicates being created.
  
  
  Solution:
  To resolve this error, you