How To Fix GB018 - Boolean statement not complete

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 018

• Message text: Boolean statement not complete

What causes this issue?

The syntax of the boolean statement is incorrect.
The expression has been prematurely terminated.
E.g.1 <tab1> $fld =
E.g.2 TRUE AND

System Response

The code generation is aborted.

How to fix this error?

Check the syntax of the statement. Add the literal string to the end
of the expression.
E.g.1 <tab1> $fld = '1'
E.g.2 TRUE AND FALSE

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB018 - Boolean statement not complete ?

  The SAP error message GB018, which states "Boolean statement not complete," typically occurs in the context of using selection criteria in reports or queries where a Boolean expression is expected but is not fully formed. This can happen in various scenarios, such as when using selection screens, query definitions, or report parameters.
  Cause:
  
  Incomplete Boolean Expression: The error usually arises when a Boolean statement (like AND, OR) is not properly completed. For example, if you have a condition that requires both sides of an AND or OR operator but only one side is provided.
  Syntax Errors: There may be syntax errors in the query or report definition that lead to incomplete logical expressions.
  Missing Parameters: If a required parameter for a Boolean condition is missing, it can trigger this error.
  
  Solution:
  
  Check the Query/Report Definition: Review the selection criteria or the query definition where the error occurs. Ensure that all Boolean expressions are complete and correctly formed.
  Complete the Boolean Statement: Make sure that all parts of the Boolean statement are included. For example, if you have A AND, ensure that there is a valid condition following the AND.
  Validate Syntax: If you are using ABAP code or a query tool, validate the syntax to ensure there are no errors.
  Test with Simplified Conditions: If the Boolean statement is complex, try simplifying it to identify which part is causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific context in which the error occurs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and check for any related configuration or settings.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the problem persists after checking these areas, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.