How To Fix FDT_EXPRESSIONS870 - Unexpected token '&1' encountered in formula

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 870

• Message text: Unexpected token '&1' encountered in formula

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 FDT_EXPRESSIONS870 - Unexpected token '&1' encountered in formula ?

  The SAP error message FDT_EXPRESSIONS870 indicates that there is an unexpected token in a formula used in the context of SAP's Flexible Data Import (FDI) or similar functionalities. This error typically arises when the formula syntax is incorrect or when an invalid character or token is encountered.
  Cause:
  
  Syntax Error: The formula may contain a syntax error, such as a missing operator, parentheses, or incorrect use of functions.
  Invalid Characters: The token &1 suggests that there is an unexpected character or placeholder in the formula that the system does not recognize.
  Data Type Mismatch: The formula may be trying to perform operations on incompatible data types.
  Incorrect Formula Structure: The structure of the formula may not conform to the expected format, leading to parsing issues.
  
  Solution:
  
  Review the Formula: Check the formula for any syntax errors. Ensure that all operators, parentheses, and functions are correctly used.
  Check for Invalid Tokens: Look for any unexpected characters or tokens in the formula. Replace or remove them as necessary.
  Validate Data Types: Ensure that the data types being used in the formula are compatible with the operations being performed.
  Use the Formula Editor: If available, use the formula editor or expression builder provided by SAP to help construct the formula correctly.
  Refer to Documentation: Consult the SAP documentation for the specific syntax and rules for writing formulas in the context you are working with.
  Test Incrementally: If the formula is complex, break it down into smaller parts and test each part incrementally to isolate the issue.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check SAP's support portal for any notes or articles related to this error message for additional context or updates.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  SAP Help Portal: Utilize the SAP Help Portal for detailed information on formula syntax and examples.
  
  By following these steps, you should be able to identify and resolve the issue causing the FDT_EXPRESSIONS870 error in your SAP environment.