How To Fix FKKINV640 - Enter type of tax date

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 640

• Message text: Enter type of tax date

What causes this issue?

The <DS:DE.TAX_DATE_TYPE_KK>type of tax date</> is not filled.

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?

For the <DS:DE.TAX_DET_TYPE_KK>tax calculation type</> <LS>Internal Tax
Calculation</> or <LS>External Tax Calculation with Internal Handling</>
, you have to enter a type of tax date.

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 FKKINV640 - Enter type of tax date ?

  The SAP error message FKKINV640 ("Enter type of tax date") typically occurs in the context of invoicing or billing processes within the SAP system, particularly in the area of contract accounts receivable and payable (FI-CA). This error indicates that the system requires a specific type of tax date to be entered, which is necessary for tax calculations and reporting.
  Cause:
  The error is usually triggered when:
  
  A transaction is being processed that requires a tax date, but the system does not have the necessary information.
  The configuration for tax date types is incomplete or not set up correctly in the system.
  The user has not entered a required field related to tax date in the invoice or billing document.
  
  Solution:
  To resolve the FKKINV640 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that all required fields related to tax date are filled in correctly. Look for fields like "Tax Date" or "Type of Tax Date" in the invoice or billing document.
  
  
  Configuration Settings:
  
  Go to the configuration settings in SAP (transaction code SPRO).
  Navigate to Financial Accounting (New) > Accounts Receivable and Accounts Payable > Contract Accounts Receivable and Payable > Basic Functions > Tax > Define Tax Date Types.
  Ensure that the tax date types are defined correctly and that they are assigned to the relevant transaction types.
  
  
  
  User Authorization: Ensure that the user has the necessary authorizations to enter or modify tax-related information in the system.
  
  
  Consult Documentation: Review the SAP documentation or help files related to tax date handling in your specific version of SAP, as there may be additional requirements or configurations needed.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your system configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL5N (Customer Line Item Display) or F-28 (Post Incoming Payments) where this error might occur.
  SAP Notes: Check for any SAP Notes related to FKKINV640 for potential bug fixes or additional guidance.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.