How To Fix CNV_DMC_SIN232 - Bank key &1 overwrites bank number &2, please check bank number setting

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 232

• Message text: Bank key &1 overwrites bank number &2, please check bank number setting

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN232 - Bank key &1 overwrites bank number &2, please check bank number setting ?

  The SAP error message CNV_DMC_SIN232 indicates a conflict in bank key and bank number settings during a data migration or conversion process. This error typically arises when there is an attempt to assign a bank key that is already associated with a different bank number, leading to a conflict in the system.
  Cause:
  
  Duplicate Bank Key Assignment: The bank key you are trying to assign is already linked to another bank number in the system.
  Incorrect Data Mapping: During the data migration process, the mapping of bank keys to bank numbers may not have been set up correctly.
  Configuration Issues: There may be issues in the configuration of bank keys and bank numbers in the SAP system.
  
  Solution:
  
  
  Check Existing Bank Keys and Numbers:
  
  Go to the relevant transaction (e.g., FI12 for bank master data) and check the existing bank keys and their associated bank numbers.
  Ensure that the bank key you are trying to use is not already assigned to another bank number.
  
  
  
  Correct Data Mapping:
  
  Review the data mapping in your migration tool or process. Ensure that each bank key is uniquely associated with a single bank number.
  If necessary, adjust the mapping to avoid conflicts.
  
  
  
  Update Bank Key Settings:
  
  If the bank key is indeed required for a different bank number, consider updating the bank key settings to reflect the correct associations.
  You may need to create a new bank key if the existing one cannot be reused.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to bank key and bank number settings for additional guidance.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the migration process to ensure that the error does not occur again.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FI12 (Bank Master Data), OB52 (Open and Close Posting Periods), and OBY6 (Define Bank Accounts).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit: If you are using the SAP Data Migration Cockpit, ensure that the settings and mappings are correctly configured.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN232 error and ensure that your bank key and bank number settings are correctly configured in the SAP system.