How To Fix /SAPCE/FKRU304 - Reference billing document &1 must be invoiced

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPCE/FKRU -

• Message number: 304

• Message text: Reference billing document &1 must be invoiced

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPCE/FKRU304 - Reference billing document &1 must be invoiced ?

  The SAP error message /SAPCE/FKRU304 Reference billing document &1 must be invoiced typically occurs in the context of billing and invoicing processes within the SAP system, particularly when dealing with billing documents that are linked to a reference document. This error indicates that there is a requirement for a reference billing document to be invoiced before proceeding with the current operation.
  Cause:
  
  Uninvoiced Reference Document: The primary cause of this error is that the reference billing document (indicated by &1) has not been fully invoiced. In SAP, certain billing documents may depend on the completion of invoicing for related documents.
  Incomplete Billing Process: The billing document may be in a status that does not allow further processing until the reference document is invoiced.
  Configuration Issues: There may be specific configurations in the billing process that enforce this requirement, such as dependencies set in the billing type or sales order.
  
  Solution:
  
  
  Invoice the Reference Document: The most straightforward solution is to locate the reference billing document (using the document number provided in the error message) and ensure that it is fully invoiced. You can do this by:
  
  Navigating to the billing document in the SAP system.
  Checking its status and ensuring that it is not in a pending state.
  Creating an invoice for the reference document if it has not been done yet.
  
  
  
  Check Document Flow: Review the document flow to understand the relationship between the current billing document and the reference document. This can help identify any missing steps in the invoicing process.
  
  
  Review Configuration: If the issue persists, review the configuration settings related to billing documents in your SAP system. This may involve checking:
  
  Billing types and their settings.
  Dependencies and rules set for billing documents.
  
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and its implications. This can provide insights into any additional steps that may be required.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VF01 (Create Billing Document), VF02 (Change Billing Document), and VF03 (Display Billing Document) to manage billing documents effectively.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide patches or updates that address known issues.
  User Authorization: Ensure that you have the necessary authorizations to perform invoicing actions in the system.
  
  By following these steps, you should be able to address the error message and proceed with your billing processes in SAP.