How To Fix CM_EHFND_FW_CALC_ENG004 - Usage of only non-alphanumeric symbols in brackets "&1" is not permitted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 004

• Message text: Usage of only non-alphanumeric symbols in brackets "&1" is not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_CALC_ENG004 - Usage of only non-alphanumeric symbols in brackets "&1" is not permitted ?

  The SAP error message CM_EHFND_FW_CALC_ENG004 indicates that there is an issue with the usage of non-alphanumeric symbols in brackets within a calculation or expression in the SAP system. This error typically arises in contexts where calculations or expressions are expected to contain valid identifiers or alphanumeric characters, but instead, they contain only special characters or symbols.
  Cause:
  The error is triggered when:
  
  A calculation or expression is defined using only non-alphanumeric symbols (e.g., @, #, !, etc.) within brackets.
  The system expects a valid identifier or a combination of alphanumeric characters and possibly some special characters, but finds an invalid format.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Expression: Check the expression or calculation that is causing the error. Look for any brackets that contain only non-alphanumeric symbols.
  
  
  Modify the Expression: Ensure that the content within the brackets includes valid alphanumeric characters. For example, if you have something like (&1), replace it with a valid identifier or expression that includes letters or numbers.
  
  
  Use Valid Identifiers: If you are using placeholders or variables, make sure they are defined correctly and contain valid names. For instance, instead of using (&1), use something like (VariableName) where VariableName is a valid identifier.
  
  
  Check Documentation: Refer to the SAP documentation or help resources for the specific context in which you are working (e.g., calculation views, expressions in CDS views, etc.) to understand the expected format.
  
  
  Test Changes: After making the necessary changes, test the calculation or expression again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this specific error message.
  Community Forums: Look for discussions in SAP community forums or platforms like SAP Community, where other users may have encountered and resolved similar issues.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on expressions, calculations, and the specific module you are working with.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.