How To Fix FDT_EXPRESSIONS171 - Syntax error in formula

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 171

• Message text: Syntax error in formula

What causes this issue?

The formula you have entered contains syntax errors.

System Response

The formula cannot be activated. Note that you can still save the
formula even if it contains errors.

How to fix this error?

Correct the formula. Here are some rules you should follow:
Parentheses must always be entered as matching pairs "()".
All operands must be separated by an operator against each other.
Operands and operators must be separated by at least one blank.
Amounts and quantities must be entered as one term (no separating blank
allowed between number and currency or unit of measure).
Try building the formula in normal rather than expert mode; the system
will then take care of the correct syntax.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS171 - Syntax error in formula ?

  The SAP error message FDT_EXPRESSIONS171 indicates that there is a syntax error in a formula used in the context of SAP's Flexible Data Import (FDI) or similar functionalities that utilize expressions. This error typically arises when the formula does not conform to the expected syntax rules.
  Causes:
  
  Incorrect Syntax: The formula may contain typos, missing operators, or incorrect use of functions.
  Invalid References: The formula might reference fields or variables that do not exist or are misspelled.
  Mismatched Parentheses: Unbalanced parentheses can lead to syntax errors.
  Unsupported Functions: Using functions that are not supported in the context of the formula can trigger this error.
  Data Type Mismatch: Trying to perform operations on incompatible data types (e.g., adding a string to a number).
  
  Solutions:
  
  Review the Formula: Carefully check the formula for any syntax errors, including typos, missing operators, and correct function usage.
  Check References: Ensure that all field and variable names are correctly spelled and exist in the context where the formula is being used.
  Balance Parentheses: Make sure that all opening parentheses have corresponding closing parentheses.
  Use Supported Functions: Verify that all functions used in the formula are supported in the context of your SAP application.
  Data Type Validation: Ensure that the data types of the operands in the formula are compatible with the operations being performed.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the correct syntax and usage of formulas in your specific context.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check SAP's support portal for any notes related to this error message, as they may provide specific guidance or patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Testing: If possible, test the formula in a development environment to isolate the issue without affecting production data.
  
  By following these steps, you should be able to identify and resolve the syntax error in your formula. If the problem persists, consider reaching out to your SAP support team for further assistance.