How To Fix FKKINV123 - No document type determined for simulation document for invoicing

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 123

• Message text: No document type determined for simulation document for invoicing

What causes this issue?

No document type was determined for the invoicing simulation document
(invoicing process &V1&, invoicing type &V2&).

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

INCLUDE FICA_NA_CUST_1 OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV123 - No document type determined for simulation document for invoicing ?

  The SAP error message FKKINV123 ("No document type determined for simulation document for invoicing") typically occurs in the context of invoicing in the SAP Convergent Invoicing (CI) module. This error indicates that the system is unable to determine the appropriate document type for the simulation of an invoice, which is necessary for processing the invoicing correctly.
  Causes:
  
  Missing Configuration: The document type for invoicing may not be configured correctly in the system. This could be due to missing entries in the customizing settings for invoicing.
  Incorrect Master Data: The master data for the business partner or the contract may not be set up correctly, leading to the inability to determine the document type.
  Inconsistent Settings: There may be inconsistencies in the settings related to the invoicing process, such as missing or incorrect assignment of document types to the relevant business processes.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain document types, leading to this error.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO) and navigate to the settings for Convergent Invoicing.
  Ensure that the document types for invoicing are correctly defined and assigned to the relevant processes.
  Verify that the document type is linked to the appropriate billing type and that all necessary settings are in place.
  
  
  
  Review Master Data:
  
  Check the master data for the business partner and any related contracts to ensure that all required fields are filled out correctly.
  Make sure that the business partner is assigned to the correct document type.
  
  
  
  Validate Settings:
  
  Review the settings for the invoicing process to ensure that all necessary configurations are consistent and complete.
  Check if there are any missing entries in the configuration tables related to document types.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the document types involved in the invoicing process.
  If needed, consult with your SAP security team to verify and adjust user roles and permissions.
  
  
  
  Debugging:
  
  If the issue persists, consider using the SAP debugger to trace the execution and identify where the document type determination is failing.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, BP for business partner maintenance, and SE80 for debugging.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  Documentation: Refer to the official SAP documentation for Convergent Invoicing for detailed information on configuration and troubleshooting.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.