How To Fix FDT_EXPRESSIONS503 - Unknown symbol &1 found

FDT_EXPRESSIONS503 - Overview

• Message type: E = Error

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

• Message number: 503

• Message text: Unknown symbol &1 found

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_EXPRESSIONS503 - Unknown symbol &1 found ?

  The SAP error message FDT_EXPRESSIONS503 with the description "Unknown symbol &1 found" typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in the context of SAP Fiori or other SAP applications that utilize expressions for data manipulation or transformation.
  
  Cause:
  This error generally indicates that the system has encountered a symbol or variable in an expression that it does not recognize. This could be due to several reasons:
  
  Typographical Error: There may be a typo in the expression where the symbol is defined.
  Undefined Variable: The symbol may not have been defined or initialized before it is used in the expression.
  Scope Issues: The symbol might be out of scope, meaning it is not accessible in the context where it is being used.
  Incorrect Syntax: The expression may have incorrect syntax, leading to the system being unable to parse it correctly.
  
  
  Solution:
  To resolve the error, you can take the following