How To Fix GB086 - Syntax error in the substitution prerequisite

GB086 - Overview

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 086

• Message text: Syntax error in the substitution prerequisite

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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Smart SAP Assistant

• What is the cause and solution for SAP error message GB086 - Syntax error in the substitution prerequisite ?

  The SAP error message GB086, which indicates a "Syntax error in the substitution prerequisite," typically occurs in the context of SAP's substitution functionality, which is part of the Financial Accounting (FI) module. This error arises when there is an issue with the syntax of the prerequisite conditions defined for a substitution rule.
  
  Cause:
  
  Incorrect Syntax: The most common cause is that the syntax used in the prerequisite condition is incorrect. This could be due to typos, missing operators, or incorrect use of functions.
  Invalid Field References: If the prerequisite references fields that do not exist or are not valid in the context of the substitution, it can lead to this error.
  Logical Errors: Logical errors in the conditions, such as using incompatible data types or incorrect logical operators, can also trigger this error.
  
  Configuration Issues: Sometimes, the configuration settings for the substitution may not be set up correctly, leading to syntax errors.
  
  
  Solution:
  
  Check Syntax: Review the