How To Fix SG030 - Cycle created when deriving exchange rate type

SAP Error Message - Details

• Message type: E = Error

• Message class: SG - Global Pool for Cross-Application Developments

• Message number: 030

• Message text: Cycle created when deriving exchange rate type

What causes this issue?

In Customizing, you specified that the exchange rate type &V1& for the
currency pair &V2&/&V3& is changed to another exchange rate type. This
exchange rate type is then changed to another. This is correct as long
as not cycles are created in this chain.
This is what has happened here. The derivation has created a cycle.
"&V4&".
To prevent an endless programming loop, the program terminates with
this error message.

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?

Check the Customizing for your currency translation.

<DS:TRAN.OBBS>Execute Function</>
ENDIF
You can then continue.

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 SG030 - Cycle created when deriving exchange rate type ?

  The SAP error message SG030, which states "Cycle created when deriving exchange rate type," typically occurs in the context of currency conversion and exchange rate determination in SAP. This error indicates that there is a circular reference in the configuration of exchange rate types, which prevents the system from determining the correct exchange rate.
  Cause:
  The primary cause of this error is a circular dependency in the configuration of exchange rate types. This can happen if:
  
  Exchange rate types are configured to derive their rates from each other in a way that creates a loop.
  There are incorrect or incomplete settings in the exchange rate type configuration.
  The system is unable to resolve the exchange rate due to conflicting definitions.
  
  Solution:
  To resolve the SG030 error, you can follow these steps:
  
  
  Check Exchange Rate Type Configuration:
  
  Go to the transaction code OB08 (or the relevant configuration path) to review the exchange rate types.
  Ensure that the exchange rate types do not reference each other in a circular manner.
  
  
  
  Review Derivation Logic:
  
  Check the derivation logic for the exchange rate types. Make sure that each type derives its rate from a valid source and does not create a cycle.
  If you find any circular references, modify the configuration to eliminate them.
  
  
  
  Test Configuration:
  
  After making changes, test the configuration by trying to derive the exchange rate again to ensure that the error no longer occurs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed guidance on configuring exchange rate types and avoiding circular references.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configuration, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OB08: Maintain exchange rates.
  OBBS: Define exchange rate types.
  
  
  
  Configuration Path:
  
  The configuration for exchange rates can typically be found under the Financial Accounting (FI) module in the SAP IMG (Implementation Guide).
  
  
  
  Best Practices:
  
  Regularly review and audit your exchange rate configurations to prevent circular dependencies.
  Document any changes made to exchange rate configurations for future reference.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the SG030 error in your SAP system.