How To Fix FF812 - Tax code & also exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 812

• Message text: Tax code & also exists

What causes this issue?

Tax code &V1& was entered in the header data, but does not however
appear in the expense items.

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?

Please correct the tax code either in the header data (for example, by
leaving this field blank), or in the expense items.

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 FF812 - Tax code & also exists ?

  The SAP error message FF812 indicates that there is a conflict with the tax code being used in a financial transaction. Specifically, it means that the tax code you are trying to use is already assigned to another tax category or is not valid for the transaction you are attempting to process.
  Cause:
  
  Duplicate Tax Code: The tax code you are trying to use is already assigned to another tax category or is being used in another context.
  Configuration Issues: The tax code may not be properly configured in the system, leading to conflicts.
  Transaction Type Mismatch: The tax code may not be applicable for the type of transaction you are processing (e.g., sales vs. purchase).
  Master Data Issues: The master data for the vendor, customer, or material may not be set up correctly, leading to the use of an invalid tax code.
  
  Solution:
  
  
  Check Tax Code Configuration: 
  
  Go to the transaction code OBYZ to check the configuration of the tax codes. Ensure that the tax code is correctly defined and not duplicated.
  Verify that the tax code is assigned to the correct tax category.
  
  
  
  Review Transaction Details:
  
  Ensure that the transaction type you are processing is compatible with the tax code you are using.
  Check if the tax code is valid for the specific company code and country.
  
  
  
  Update Master Data:
  
  Review the master data for the relevant vendor, customer, or material to ensure that the correct tax code is assigned.
  If necessary, update the master data to reflect the correct tax code.
  
  
  
  Consult with SAP Support: 
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OBYZ: Maintain Tax Codes
  OB40: Define Tax Codes for Sales and Purchases
  FBL1N: Vendor Line Item Display (to check transactions related to vendors)
  FBL3N: G/L Account Line Item Display (to check transactions related to G/L accounts)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on tax code configuration and management.
  
  
  Testing: After making changes, perform a test transaction to ensure that the error is resolved.
  
  
  By following these steps, you should be able to identify the cause of the FF812 error and implement a solution to resolve it.