How To Fix CNV_20400_CHECK049 - Implicit conversion of controling area currency type to 20

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20400_CHECK - Messages for check functions (controlling area merge)

• Message number: 049

• Message text: Implicit conversion of controling area currency type to 20

What causes this issue?

Implicit change of Currency Types. Deep Analysis of transfer prices and
material Ledger required.
You cannot run the transformation solution<ZK> Controlling Area Merge</>
because certain prerequisites have not been met. We recommend that you
contact SAP for support by creating a ticket using component CA-LT-CNV.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20400_CHECK049 - Implicit conversion of controling area currency type to 20 ?

  The SAP error message CNV_20400_CHECK049 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates an issue with the implicit conversion of currency types, specifically related to the controlling area currency.
  Cause:
  The error arises when there is a mismatch or inconsistency in the currency types being used in the controlling area. This can happen due to:
  
  Currency Type Mismatch: The controlling area is set to use a specific currency type (e.g., 10 for company code currency, 20 for controlling area currency), and the data being migrated or processed does not align with this setting.
  Data Format Issues: The data being imported may not be in the expected format or may contain invalid currency values.
  Configuration Issues: The controlling area may not be properly configured in the system, leading to inconsistencies in how currency types are handled.
  
  Solution:
  To resolve the CNV_20400_CHECK049 error, you can take the following steps:
  
  
  Check Controlling Area Configuration:
  
  Go to the SAP GUI and navigate to the controlling area settings.
  Verify that the controlling area is correctly configured with the appropriate currency type.
  
  
  
  Review Data for Currency Types:
  
  Inspect the data being migrated to ensure that the currency types match the expected values for the controlling area.
  Ensure that all currency values are in the correct format and do not contain any invalid entries.
  
  
  
  Adjust Data Mapping:
  
  If you are using a migration tool, check the mapping settings to ensure that the currency fields are correctly mapped to the corresponding fields in the target system.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the migration process you are using. There may be specific guidelines or requirements for handling currency types.
  
  
  
  Test Migration in a Sandbox Environment:
  
  If possible, perform a test migration in a sandbox environment to identify and resolve any issues before executing the migration in the production environment.
  
  
  
  Seek SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance. They may provide additional insights or patches to resolve the error.
  
  
  
  Related Information:
  
  
  Currency Types in SAP: In SAP, currency types are used to differentiate between various currencies used in financial transactions. Common currency types include:
  
  10: Company Code Currency
  20: Controlling Area Currency
  30: Group Currency
  
  
  
  Data Migration Tools: Familiarize yourself with the tools available for data migration in SAP, such as the SAP S/4HANA Migration Cockpit, LSMW (Legacy System Migration Workbench), and others.
  
  
  SAP Notes: Check for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.