How To Fix FDT_EXPRESSIONS507 - Incomplete formula, unexpected token &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 507

• Message text: Incomplete formula, unexpected token &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS507 - Incomplete formula, unexpected token &1 ?

  The SAP error message FDT_EXPRESSIONS507: Incomplete formula, unexpected token &1 typically occurs in the context of using the SAP Fiori Design Studio or SAP Business Application Studio when working with expressions or formulas in your application. This error indicates that there is a syntax issue in the formula you are trying to use, specifically that the formula is incomplete or contains an unexpected token.
  Cause:
  
  Syntax Error: The formula may have a syntax error, such as missing operators, parentheses, or incorrect use of functions.
  Unexpected Token: The token indicated by &1 is not recognized in the context of the formula. This could be due to a typo or an incorrect reference.
  Incomplete Expression: The formula may not be fully formed, meaning that it lacks necessary components to be evaluated correctly.
  
  Solution:
  
  Check Syntax: Review the formula for any syntax errors. Ensure that all operators and functions are used correctly and that parentheses are properly matched.
  Validate Tokens: Look at the token indicated by &1 in the error message. Check if it is a valid part of the formula and if it is being used correctly.
  Complete the Formula: Ensure that the formula is complete. If it is supposed to return a value, make sure that all necessary components are included.
  Use Debugging Tools: If available, use debugging tools or logs to trace where the error occurs and to get more context about the formula being evaluated.
  Refer to Documentation: Consult the SAP documentation for the specific functions and syntax rules applicable to the expressions you are using.
  
  Related Information:
  
  SAP Community: You can search for similar issues on the SAP Community forums, where other users may have encountered and resolved the same error.
  SAP Notes: Check SAP Notes for any known issues or patches related to the FDT (Fiori Design Tool) that might address this error.
  Training and Tutorials: If you are new to using expressions in SAP, consider looking for training materials or tutorials that cover the basics of writing formulas and expressions in the context of SAP applications.
  
  By carefully reviewing the formula and ensuring that it adheres to the expected syntax and structure, you should be able to resolve the FDT_EXPRESSIONS507 error.