How To Fix FDT_EXPRESSIONS049 - Invalid boolean string; parenthesis mismatch

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 049

• Message text: Invalid boolean string; parenthesis mismatch

What causes this issue?

For the current boolean expression, the system has determined that the
number of opening brackets is not equal to the number of closing
brackets. This is not permitted.

System Response

The object cannot be activated.

How to fix this error?

Check the condition string and make sure that for each opening bracket
there is a matching closing bracket.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS049 - Invalid boolean string; parenthesis mismatch ?

  The SAP error message FDT_EXPRESSIONS049: Invalid boolean string; parenthesis mismatch typically occurs in the context of using expressions in SAP's Field Data Tool (FDT) or similar environments where boolean logic is applied. This error indicates that there is a syntax issue in the boolean expression you are trying to use, specifically related to the use of parentheses.
  Cause:
  
  Parenthesis Mismatch: The most common cause of this error is that the number of opening and closing parentheses does not match. For example, if you have an opening parenthesis ( without a corresponding closing parenthesis ), or vice versa.
  Incorrect Boolean Logic: The expression may contain invalid boolean logic or operators that are not properly formatted.
  Whitespace Issues: Sometimes, extra spaces or incorrect placement of operators can lead to parsing issues.
  Unsupported Functions: Using functions or operators that are not supported in the context of the expression can also trigger this error.
  
  Solution:
  
  Check Parentheses: Carefully review the boolean expression to ensure that every opening parenthesis has a corresponding closing parenthesis. Count them to confirm they match.
  Validate Syntax: Ensure that the syntax of the boolean expression is correct. This includes checking for valid operators (AND, OR, NOT) and ensuring they are used correctly.
  Simplify the Expression: If the expression is complex, try breaking it down into smaller parts to isolate the issue. Test each part individually to see where the error occurs.
  Use a Validator: If available, use a syntax validator or a tool that can help you check the correctness of the boolean expression.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to ensure that you are using the correct syntax and supported functions.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check SAP's support portal for any notes or articles related to this error message. There may be specific fixes or patches available.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same problem and can offer solutions.
  Testing Environment: If possible, test your expressions in a development or testing environment before deploying them in production to avoid disruptions.
  
  By following these steps, you should be able to identify and resolve the issue causing the FDT_EXPRESSIONS049 error in your SAP environment.