How To Fix CM_EHFND_FW_CALC_ENG018 - Usage of logical operator "&1" is not permitted at this place

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_CALC_ENG - Common ACE Calculation Engine Exception Class

• Message number: 018

• Message text: Usage of logical operator "&1" is not permitted at this place

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 CM_EHFND_FW_CALC_ENG018 - Usage of logical operator "&1" is not permitted at this place ?

  The SAP error message CM_EHFND_FW_CALC_ENG018 indicates that there is an issue with the usage of a logical operator in a calculation or expression within the SAP system. This error typically arises in the context of SAP HANA or when working with calculation views, where the syntax and structure of expressions are strictly enforced.
  Cause:
  The error message suggests that a logical operator (like AND, OR, NOT) is being used in a context where it is not allowed. This could be due to:
  
  Incorrect placement of the logical operator in the expression.
  Using a logical operator in a context that expects a different type of expression (e.g., a scalar value instead of a boolean).
  Syntax errors in the expression that lead to misinterpretation of the logical operator's intended use.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Expression: Check the expression where the error occurs. Ensure that the logical operator is used correctly and in the appropriate context. 
  
  
  Check Syntax: Make sure that the syntax of the expression is correct. Look for any missing parentheses or incorrect use of operators.
  
  
  Use Parentheses: If you are combining multiple conditions, use parentheses to clearly define the order of operations. This can help clarify the intended logic and prevent misinterpretation by the system.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version you are using. This can provide insights into the correct usage of logical operators and examples of valid expressions.
  
  
  Test in Isolation: If possible, isolate the problematic part of the expression and test it separately to identify the exact cause of the error.
  
  
  Seek Help from Community or Support: If you are unable to resolve the issue, consider reaching out to the SAP community forums or SAP support for assistance. Provide them with the specific expression and context to get more targeted help.
  
  
  Related Information:
  
  SAP HANA Documentation: Review the official SAP HANA documentation for guidelines on using logical operators and expressions in calculation views.
  SAP Community: Engage with the SAP Community for discussions and solutions related to similar errors.
  Debugging Tools: Utilize debugging tools within SAP to trace the execution of the calculation and identify where the error is triggered.
  
  By following these steps, you should be able to identify and correct the issue causing the error message CM_EHFND_FW_CALC_ENG018.