How To Fix CNVA_20400_CHECK079 - Implicit change of Currency Types to 30.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 079

• Message text: Implicit change of Currency Types to 30.

Implicit change of Currency Types to 30. No further technical
preparations needed.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message CNVA_20400_CHECK079 - Implicit change of Currency Types to 30. ?

  The SAP error message CNVA_20400_CHECK079 with the description "Implicit change of Currency Types to 30" typically occurs during the conversion of currency types in SAP, particularly when dealing with financial documents or transactions that involve multiple currencies. This error indicates that there is an implicit change in the currency type, which may not be allowed or expected in the current context.
  Cause:
  
  
  Currency Type Mismatch: The error often arises when there is a mismatch between the expected currency type and the actual currency type being used in a transaction. For example, if a document is expected to use a specific currency type (like 10 for local currency) but is being processed with a different type (like 30 for group currency), this can trigger the error.
  
  
  Configuration Issues: There may be configuration issues in the system related to currency types, such as incorrect settings in the financial document types or in the currency settings of the company code.
  
  
  Data Migration or Conversion: If this error occurs during a data migration or conversion process, it may indicate that the data being migrated does not conform to the expected currency type settings in the target system.
  
  
  Solution:
  
  
  Check Currency Type Settings: Review the currency type settings in the relevant configuration areas of SAP. Ensure that the currency types used in your transactions are correctly defined and match the expected types.
  
  
  Review Document Types: Check the document types involved in the transaction. Ensure that they are configured to allow the currency types being used.
  
  
  Data Validation: If this error occurs during data migration, validate the data being migrated to ensure that it adheres to the currency type requirements of the target system.
  
  
  Adjust Transaction Logic: If applicable, adjust the logic in your transaction processing to ensure that the correct currency types are being used consistently.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or patches related to this error.
  
  
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise.
  
  
  Related Information:
  
  
  Currency Types in SAP: Currency types in SAP are used to differentiate between various currencies in financial transactions, such as local currency, group currency, and hard currency. Understanding how these types are defined and used in your system is crucial for troubleshooting this error.
  
  
  Transaction Codes: Familiarize yourself with transaction codes related to currency settings, such as OB08 (Define Exchange Rates) and OBA7 (Define Currency Types).
  
  
  SAP Community and Forums: Engaging with the SAP community through forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.