How To Fix FINS_IC_CUST028 - Currency type &1 cannot be used as a source currency type

FINS_IC_CUST028 - Overview

• Message type: E = Error

• Message class: FINS_IC_CUST - Manage Currencies: Customizing

• Message number: 028

• Message text: Currency type &1 cannot be used as a source currency type

What causes this issue?

The currency type &V1& cannot be used as a source currency type for the
currency conversion because it is already assigned as a target currency
type in project &V2& for the combination of ledger &V3& and company code
&V4&.

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.

FINS_IC_CUST028 - Details

• The SAP error message FINS_IC_CUST028 indicates that a specific currency type (denoted as &1 in the message) cannot be used as a source currency type in the context of intercompany transactions or financial postings. This error typically arises in the context of financial accounting and controlling, particularly when dealing with currency conversions or intercompany processes.
  
  Cause:
  
  Incorrect Currency Type Configuration: The currency type you are trying to use may not be configured correctly in the system. For example, it might not be set up as a valid source currency type in the relevant configuration settings.
  Incompatibility with Transaction Type: The currency type may not be compatible with the type of transaction you are trying to process. Certain currency types are designated for specific purposes (e.g., local currency, group currency, etc.).
  Missing Customizing Settings: There may be missing or incorrect customizing settings in the SAP system that define which currency types can be used for