How To Fix FF733 - Posting key & is not defined for tax postings

FF733 - Overview

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 733

• Message text: Posting key & is not defined for tax postings

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FF733 - Posting key & is not defined for tax postings ?

  The SAP error message FF733 ("Posting key & is not defined for tax postings") typically occurs when there is an issue with the configuration of posting keys in the SAP system, particularly in relation to tax postings. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Configuration: The posting key specified in the error message is not configured to handle tax postings in the system. This can happen if the posting key is not set up correctly in the Financial Accounting (FI) module.
  Incorrect Posting Key Usage: The posting key being used may not be appropriate for the type of transaction being processed, especially if it is meant for tax-related entries.
  Tax Code Issues: There may be issues with the tax codes being used in the transaction, which could lead to the system not recognizing the posting key for tax purposes.
  
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to the transaction code OB14 (Define