How To Fix FDT_EXPRESSIONS535 - Table &1 is unstructured; only 'TABLE_LINE' can be used as column

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 535

• Message text: Table &1 is unstructured; only 'TABLE_LINE' can be used as column

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_EXPRESSIONS535 - Table &1 is unstructured; only 'TABLE_LINE' can be used as column ?

  The SAP error message FDT_EXPRESSIONS535 indicates that you are trying to use a table that is classified as "unstructured" in a context where only the structure TABLE_LINE can be utilized as a column. This typically occurs in the context of using the SAP Field Data Tool (FDT) or when working with expressions in SAP applications.
  Cause:
  
  Unstructured Table: The table you are trying to reference is unstructured, meaning it does not have a defined structure that can be directly accessed in the way you are attempting.
  Incorrect Usage: You may be trying to access fields or columns of the unstructured table in a way that is not supported. For example, you might be trying to use a specific field from the table instead of the entire line.
  
  Solution:
  
  Use TABLE_LINE: When working with unstructured tables, ensure that you are using TABLE_LINE to reference the entire row of data instead of trying to access individual fields directly.
  Check Table Structure: Review the definition of the table you are working with to confirm its structure and understand how to properly reference its data.
  Modify Expressions: If you are using expressions in your FDT configuration, modify them to ensure they are compatible with unstructured tables. This may involve changing how you reference data or restructuring your logic to work with the entire line.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on working with unstructured tables and the specific requirements for using them in expressions.
  
  Related Information:
  
  SAP FDT Documentation: Look for specific documentation related to the Field Data Tool and how it handles different types of data structures.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Debugging: If you have access to debugging tools, consider stepping through the code or configuration to identify where the error is being triggered and what the expected data structure should be.
  
  By following these steps, you should be able to resolve the error and correctly work with the unstructured table in your SAP environment.