How To Fix CM_EHFND_COMN154 - Operator for &1 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_COMN - Commonly Used Messages

• Message number: 154

• Message text: Operator for &1 not 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 CM_EHFND_COMN154 - Operator for &1 not allowed ?

  The SAP error message CM_EHFND_COMN154 with the description "Operator for &1 not allowed" typically occurs in the context of SAP applications that utilize the SAP Cloud Platform or SAP HANA, particularly when dealing with data operations or expressions in calculations or queries.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Operator Usage: The operator being used in a calculation or expression is not valid for the data type of the operand. For example, trying to use a mathematical operator on a string or a non-numeric type.
  
  
  Data Type Mismatch: The operands involved in the operation may not be compatible. For instance, attempting to perform arithmetic operations on a date or a string.
  
  
  Business Logic Constraints: There may be specific business rules or constraints defined in the application that restrict the use of certain operators for specific fields or data types.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Expression: Review the expression or calculation that is causing the error. Ensure that the operators used are appropriate for the data types of the operands.
  
  
  Data Type Validation: Validate the data types of the fields involved in the operation. Make sure that they are compatible with the operator being used.
  
  
  Review Business Rules: If applicable, check any business rules or constraints that may be defined in the application. Ensure that your operation complies with these rules.
  
  
  Debugging: If you have access to debugging tools, use them to trace the execution and identify the exact point where the error occurs. This can provide more context on why the operator is not allowed.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for the specific module or application you are working with. There may be additional guidelines or restrictions related to the operators and data types.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance. They may have encountered similar issues and can provide insights or solutions.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Community Forums: SAP Community forums can be a valuable resource for finding discussions related to similar errors and their resolutions.
  Training and Documentation: Familiarize yourself with the data types and operators allowed in the specific context of your SAP application to prevent similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.