How To Fix FKKINV154 - Invoicing function &1 is not active in invoicing process &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 154

• Message text: Invoicing function &1 is not active in invoicing process &2

trados = fi

What causes this issue?

A <DS:DE.SRCDOCNO_KK>source document</> of the
<DS:DE.SRCDOCCAT_KK>source document category</> &V3& is to be processed
in the <DS:DE.INV_PROCESS_KK>invoicing process</> &V2&. However, the
<DS:DE.INV_FUNCTION_KK>invoicing function</> &V1& required for this is
not active.

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 FKKINV154 - Invoicing function &1 is not active in invoicing process &2 ?

  The SAP error message FKKINV154 indicates that the invoicing function specified is not active in the invoicing process you are trying to execute. This error typically arises in the context of SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) when there is an attempt to perform an invoicing operation that is not configured or enabled in the system.
  Cause:
  
  Inactive Invoicing Function: The invoicing function you are trying to use is not activated in the configuration settings for the invoicing process.
  Configuration Issues: There may be a misconfiguration in the invoicing process settings, leading to the function being unavailable.
  Process Type Not Defined: The invoicing process type may not be defined correctly in the system.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the invoicing process in SAP. You can do this by navigating to the relevant customizing transaction (e.g., SPRO).
  Ensure that the invoicing function you are trying to use is activated for the specific invoicing process.
  
  
  
  Activate Invoicing Function:
  
  If the invoicing function is not active, you may need to activate it. This can usually be done in the configuration settings under the relevant module (e.g., FI-CA).
  Look for settings related to "Invoicing" or "Billing" and ensure that the required functions are enabled.
  
  
  
  Review Process Type:
  
  Check if the invoicing process type is defined correctly. You may need to consult with your SAP functional consultant to ensure that the process type is set up as intended.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific invoicing function and process to ensure that all prerequisites are met.
  
  
  
  Testing:
  
  After making changes, perform a test to see if the error persists. If it does, further investigation may be required.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, FBL1N for vendor line items, or FBL5N for customer line items to check related data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that the user executing the invoicing process has the necessary authorizations to perform the action.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert who can provide more tailored assistance based on your specific system configuration.