How To Fix FKK_ID_BR306 - Duplicate entry for Tax Supplement Code &1

FKK_ID_BR306 - Overview

• Message type: E = Error

• Message class: FKK_ID_BR - Message class for Brazil Withholding tax functionalities

• Message number: 306

• Message text: Duplicate entry for Tax Supplement Code &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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FKK_ID_BR306 - Details

• The SAP error message FKK_ID_BR306 indicates that there is a duplicate entry for a Tax Supplement Code in the system. This error typically arises in the context of contract accounts receivable and payable (FI-CA) when the system detects that the same tax supplement code is being used more than once in a way that is not allowed.
  
  Cause:
  
  Duplicate Tax Supplement Code: The most common cause is that the same tax supplement code has been assigned to multiple entries (e.g., invoices, contracts) where it should be unique.
  
  Configuration Issues: There may be issues in the configuration of tax codes or tax supplement codes in the system.
  Data Migration Issues: If data has been migrated from another system, it is possible that duplicates were introduced during the migration process.
  
  
  Solution:
  
  Identify Duplicates: Check the entries in the system where the tax supplement code is being used. You can use transaction codes like SE16 or SE16N to view