How To Fix BRF164 - Unexpected token &1; postfix, infix, or ) expected

BRF164 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 164

• Message text: Unexpected token &1; postfix, infix, or ) expected

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRF164 - Unexpected token &1; postfix, infix, or ) expected ?

  The SAP error message BRF164 indicates that there is a syntax error in a Business Rule Framework (BRF) expression. Specifically, the message states "Unexpected token &1; postfix, infix, or ) expected," which suggests that the parser encountered a token that it did not expect while trying to interpret the expression.
  
  Cause:
  
  
  Syntax Error: The most common cause of this error is a syntax mistake in the rule expression. This could be due to:
  
  Missing operators (e.g., +, -, *, /, etc.)
  Incorrect use of parentheses
  Misplaced or missing commas
  Incorrectly formatted literals or identifiers
  
  
  
  Invalid Characters: The expression may contain characters that are not valid in the context of the expression.
  
  
  Incomplete Expression: The expression may be incomplete, leading the parser to expect additional tokens.
  
  
  
  Solution:
  
  
  Review the Expression: Carefully check the expression for any syntax errors. Look for:
  
  Missing or extra operators
  Unmatched parentheses
  Correct use of commas and other delimiters
  
  
  
  Use the Expression Editor: If you are using the BRF expression editor,