How To Fix FKKINV155 - Source documents with different currencies in an invoicing unit

FKKINV155 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 155

• Message text: Source documents with different currencies in an invoicing unit

trados = fi

What causes this issue?

Only <DS:DE.SRCDOCNO_KK>source documents</> with the same currency can
be processed in an invoicing document.

System Response

Termination of processing

How to fix this error?

If you have created the invoicing unit manually, change your entry. If
this is not the case, check your program enhancement for automatic
generation of the invoicing unit.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

FKKINV155 - Details

• The SAP error message FKKINV155 indicates that there are source documents with different currencies in an invoicing unit. This typically occurs in the context of invoicing in the SAP Convergent Invoicing (CI) module, where multiple source documents (like contracts, service orders, etc.) are being processed together, but they have different currencies.
  
  Cause:
  
  Different Currencies: The primary cause of this error is that the source documents being processed have different currencies. For example, one document might be in USD while another is in EUR.
  Invoicing Unit Configuration: The invoicing unit may not be configured to handle multiple currencies, leading to conflicts when trying to create a single invoice.
  Currency Conversion Issues: If there are issues with currency conversion settings or exchange rates, this can also lead to this error.
  
  
  Solution:
  
  Check Source Documents: Review the source documents that are being processed together. Ensure that they all have the same currency. If they do not, you may need