How To Fix APS_CKE_PARSER009 - No boolean 'not' expression is allowed.

APS_CKE_PARSER009 - Overview

• Message type: E = Error

• Message class: APS_CKE_PARSER - CDS Key user tool - AST handler messages

• Message number: 009

• Message text: No boolean 'not' expression is allowed.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message APS_CKE_PARSER009 - No boolean 'not' expression is allowed. ?

  The SAP error message APS_CKE_PARSER009, which states "No boolean 'not' expression is allowed," typically occurs in the context of SAP Analytics Cloud (SAC) or SAP BusinessObjects when there is an issue with the syntax of a formula or expression that involves boolean logic.
  
  Cause:
  This error is generally caused by the use of a 'NOT' operator in a context where it is not permitted. This can happen in various scenarios, such as:
  
  Incorrect Syntax: The expression may be incorrectly structured, leading to the parser rejecting the use of the 'NOT' operator.
  Unsupported Operations: The specific version of the software or the context in which the expression is being evaluated may not support the use of 'NOT' in the way it has been applied.
  Logical Errors: The logical flow of the expression may be flawed, leading to an invalid boolean expression.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the Expression: Check the syntax of the expression