How To Fix FKKINV088 - Type of tax date &1 unknown

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 088

• Message text: Type of tax date &1 unknown

What causes this issue?

The <DS:DE.TAX_DATE_TYPE_KK>type of tax date</> &v1& is not known.

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 FKKINV088 - Type of tax date &1 unknown ?

  The SAP error message FKKINV088 indicates that there is an issue with the tax date in the context of invoicing or billing in the SAP system. Specifically, the message states that the type of tax date specified is unknown or not recognized by the system.
  Cause:
  
  Invalid Tax Date Type: The tax date type provided in the transaction does not exist in the system or is not configured correctly.
  Configuration Issues: The tax date types may not be properly defined in the system settings, or there may be missing entries in the relevant configuration tables.
  Data Entry Errors: There may be a typo or incorrect entry in the field where the tax date type is specified.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for tax date types in the SAP system. This can typically be found under the path: SPRO > Financial Accounting > Accounts Receivable and Accounts Payable > Basic Settings > Tax on Sales/Purchases > Define Tax Date Types.
  Ensure that the tax date type you are trying to use is defined and active.
  
  
  
  Verify Data Entry:
  
  Review the transaction where the error occurred and check the field for the tax date type. Ensure that it matches one of the valid types defined in the configuration.
  Correct any typos or incorrect entries.
  
  
  
  Consult Documentation:
  
  If you are unsure about the valid tax date types, refer to the SAP documentation or consult with your SAP administrator for guidance on the correct values to use.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as sometimes issues can arise from outdated configurations or software.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBYZ (for tax configuration) or FB60 (for invoice entry) to navigate to the relevant areas in SAP.
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. You can search for FKKINV088 in the SAP Support Portal.
  User Roles: Ensure that you have the necessary permissions to view and modify tax configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.