How To Fix FKKINV379 - ------------- Check of source document &1 &2 ---------------------

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 379

• Message text: ------------- Check of source document &1 &2 ---------------------

What causes this issue?

The system performs plausibility checks in accordance with the settings
for the invoicing function <DS:DE.INVFUNC_VALIDAT_SRC_KK>Source Document
Plausibility Checks</>.

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 FKKINV379 - ------------- Check of source document &1 &2 --------------------- ?

  The SAP error message FKKINV379 typically occurs in the context of the Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that there is an issue with the source document that is being processed, which could be related to an invoice or a payment document.
  Cause:
  The error message "Check of source document &1 &2" suggests that the system is unable to find or validate the specified source document (where &1 and &2 represent the document type and document number, respectively). Common causes for this error include:
  
  Document Not Found: The specified document does not exist in the system.
  Incorrect Document Type: The document type may not be valid for the operation being performed.
  Document Status: The document may be in a status that does not allow further processing (e.g., it may be blocked or already cleared).
  Data Inconsistency: There may be inconsistencies in the data related to the document, such as missing entries in related tables.
  
  Solution:
  To resolve the FKKINV379 error, you can take the following steps:
  
  
  Verify Document Existence: Check if the document specified in the error message exists in the system. You can do this by using transaction codes like FB03 (Display Document) or FBL1N (Vendor Line Item Display) to look up the document.
  
  
  Check Document Type: Ensure that the document type is correct and valid for the operation you are trying to perform. You can check the configuration for document types in the SAP Customizing Implementation Guide (IMG).
  
  
  Review Document Status: Look at the status of the document to ensure it is not blocked or cleared. If it is blocked, you may need to unblock it or take appropriate actions based on your business processes.
  
  
  Data Consistency Check: Run consistency checks in the FI-CA module to identify any inconsistencies in the data. You can use transaction codes like SFP1 (for FI-CA) to perform these checks.
  
  
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  Contact Support: If the issue persists after performing the above checks, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL1N, FB03, and SFP1 for document management and consistency checks.
  SAP Notes: Search for SAP Notes related to FKKINV379 in the SAP Support Portal for any known issues or fixes.
  FI-CA Configuration: Understanding the configuration settings in the FI-CA module can help in troubleshooting document-related issues.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the FKKINV379 error in SAP.