How To Fix GB209 - Syntax error in logical expression &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 209

• Message text: Syntax error in logical expression &

What causes this issue?

The Boolean expression with name &V1& contains a syntax error. The
error is in name &V1& for encryption of a validation, substitution, or
rule.
You can find out which object has the problem as follows:
First character is a '1' or '2':
the next 7 places after the first character (with the exception of any
'#' signs
as padding characters) describe a validation.
First character is a '3':
the next 7 places after the first character (with the exception of any
'#' signs
as padding characters) describe a substitution.
First character is a letter:
&V1& is the name of a rule.

System Response

The validation or substitution cannot be generated correctly. This can
lead to errors in the application that uses the validation or
substitution.

How to fix this error?

Check the syntax in the maintenance transaction for the validation
(GGB0), substitution (GGB1), or rule (GCVZ) and correct any errors.
The cause of the syntax error may be a missing set identification used
in an expression. If this is the case, select the required set from the
dialog box that appears on the initial screen of maintenance
transactions GGB0, GGB1, or GCVZ.
If you are not using the expression in question ('Extras' -> 'Usage'),
it can be deleted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB209 - Syntax error in logical expression & ?

  The SAP error message GB209, which indicates a "Syntax error in logical expression &", typically arises when there is an issue with the syntax of a logical expression in your ABAP code or in a selection screen. This error can occur in various contexts, such as when defining conditions in a WHERE clause, using logical operators, or in control structures.
  Causes:
  
  Incorrect Logical Operators: The use of logical operators (AND, OR, NOT) may be incorrect or improperly formatted.
  Mismatched Parentheses: Parentheses may not be balanced or correctly placed, leading to confusion in the logical expression.
  Invalid Data Types: The operands in the logical expression may not be compatible or may not match the expected data types.
  Typographical Errors: Simple typos in variable names or keywords can lead to syntax errors.
  Missing Components: Essential components of the logical expression may be missing, such as a comparison operator or a value.
  
  Solutions:
  
  Review the Logical Expression: Carefully check the syntax of the logical expression for any errors. Ensure that all logical operators are used correctly.
  Check Parentheses: Ensure that all parentheses are balanced and correctly placed. Each opening parenthesis should have a corresponding closing parenthesis.
  Validate Data Types: Make sure that the data types of the operands in the logical expression are compatible. For example, comparing a string to a number will cause an error.
  Correct Typographical Errors: Look for any typos in variable names, keywords, or operators and correct them.
  Test in Isolation: If possible, isolate the logical expression and test it separately to identify the specific part causing the error.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for guidelines on writing logical expressions and using operators.
  Debugging Tools: Utilize the ABAP debugger to step through the code and identify where the error occurs.
  Community Forums: Check SAP community forums or Stack Overflow for similar issues and solutions shared by other developers.
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to the GB209 error.
  
  By following these steps, you should be able to identify and resolve the syntax error in your logical expression. If the problem persists, consider reaching out to a colleague or SAP support for further assistance.