How To Fix CNV_DMC_SIN390 - Chart of Accounts &1 is not mapped, G/L account group &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 390

• Message text: Chart of Accounts &1 is not mapped, G/L account group &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN390 - Chart of Accounts &1 is not mapped, G/L account group &2 ?

  The SAP error message CNV_DMC_SIN390 indicates that there is an issue with the mapping of the Chart of Accounts (CoA) and the General Ledger (G/L) account group during a data migration process, typically when using the SAP Data Migration Cockpit or similar tools. This error suggests that the system cannot find a mapping for the specified Chart of Accounts and G/L account group.
  Cause:
  
  Missing Mapping: The specified Chart of Accounts (&1) is not mapped to the target system's Chart of Accounts.
  Incorrect Configuration: The G/L account group (&2) may not be properly configured or may not exist in the target system.
  Data Migration Settings: The settings in the migration tool may not have been correctly set up to include the necessary mappings for the CoA and G/L account groups.
  Inconsistent Data: There may be inconsistencies in the source data that prevent proper mapping.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the Data Migration Cockpit or the relevant transaction where mappings are defined.
  Ensure that the Chart of Accounts and G/L account group are correctly mapped to their counterparts in the target system.
  
  
  
  Create Missing Mappings:
  
  If the mapping does not exist, create a new mapping for the Chart of Accounts and G/L account group.
  Ensure that the mapping aligns with the business requirements and the structure of the target system.
  
  
  
  Verify G/L Account Group:
  
  Check if the G/L account group specified in the error message exists in the target system.
  If it does not exist, create it or adjust the mapping to point to an existing G/L account group.
  
  
  
  Review Migration Settings:
  
  Review the settings in the migration tool to ensure that all necessary configurations are in place.
  Make sure that the migration process is set to include the relevant CoA and G/L account group mappings.
  
  
  
  Data Consistency Check:
  
  Perform a data consistency check on the source data to ensure that there are no discrepancies that could lead to mapping issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to the Data Migration Cockpit for specific instructions on mapping and configuration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for Chart of Accounts) or OBD2 (for G/L account groups) to check configurations.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN390 error and successfully map the Chart of Accounts and G/L account group for your data migration process.