How To Fix FDT_EXPRESSIONS568 - Invalid sign &1 (position &2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 568

• Message text: Invalid sign &1 (position &2)

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_EXPRESSIONS568 - Invalid sign &1 (position &2) ?

  The SAP error message FDT_EXPRESSIONS568 with the description "Invalid sign &1 (position &2)" typically occurs in the context of using the SAP Fiori or SAP S/4HANA applications that involve expressions or calculations, particularly in the context of field-based expressions or data transformation.
  Cause:
  This error usually indicates that there is an issue with the syntax or the content of an expression being evaluated. Specifically, it suggests that an invalid sign (such as a mathematical operator) has been encountered at a specific position in the expression. This could be due to:
  
  Incorrect Syntax: The expression may not be formatted correctly, leading to an invalid operator being recognized.
  Unexpected Characters: There may be unexpected characters or symbols in the expression that are not valid in the context.
  Data Type Mismatch: The expression may be trying to perform operations on incompatible data types.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Expression: Review the expression that is causing the error. Ensure that all operators are valid and that the syntax follows the expected format.
  
  
  Validate Data Types: Ensure that the data types of the fields involved in the expression are compatible with the operations being performed. For example, you cannot perform mathematical operations on string data types without converting them first.
  
  
  Debugging: If you have access to debugging tools, you can step through the code to identify the exact point where the error occurs and inspect the values being processed.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific function or feature you are using to ensure that you are following the correct syntax and guidelines.
  
  
  Test with Simple Expressions: If possible, simplify the expression to isolate the issue. Start with a basic expression and gradually add complexity until the error reappears.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP community forums or support for assistance. Provide them with the full context of the error, including the expression and any relevant data.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  FDT (Field Data Transformation): Familiarize yourself with the Field Data Transformation framework in SAP, as this error is related to expressions used within that context.
  Expression Language: Review the expression language documentation for SAP to understand the valid operators and syntax rules.
  
  By following these steps, you should be able to identify and correct the issue causing the FDT_EXPRESSIONS568 error in your SAP application.