How To Fix FDT_EXPRESSIONS259 - Decision table columns cannot have the same sorting priority

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 259

• Message text: Decision table columns cannot have the same sorting priority

What causes this issue?

You have tried to rearrange the rows of the current decision table by
changing the sort priority of the table columns. However, at least two
of the columns have been assigned the same priority. This is not
allowed.

System Response

The table rows remain unchanged. The column sort priority is reverted to
its previous state.

How to fix this error?

Make sure that all columns have a unique sort priority assigned.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS259 - Decision table columns cannot have the same sorting priority ?

  The SAP error message FDT_EXPRESSIONS259 indicates that there is an issue with the configuration of a decision table in the SAP system, specifically regarding the sorting priorities of the columns. This error occurs when two or more columns in a decision table are assigned the same sorting priority, which is not allowed.
  Cause:
  The primary cause of this error is that in a decision table, each column must have a unique sorting priority. When two or more columns are assigned the same priority, the system cannot determine the order in which to evaluate these columns, leading to ambiguity.
  Solution:
  To resolve this error, you need to ensure that each column in the decision table has a unique sorting priority. Here are the steps to do this:
  
  
  Open the Decision Table: Navigate to the decision table that is causing the error.
  
  
  Check Column Properties: Review the properties of each column, specifically the sorting priority settings.
  
  
  Assign Unique Priorities: Ensure that each column has a different sorting priority. You can do this by:
  
  Assigning a higher or lower number to the sorting priority of one or more columns.
  Making sure that no two columns share the same priority value.
  
  
  
  Save Changes: After making the necessary adjustments, save the decision table.
  
  
  Test the Decision Table: Run a test to ensure that the error has been resolved and that the decision table functions as expected.
  
  
  Related Information:
  
  Decision Tables: These are used in SAP to define rules and conditions in a structured format, allowing for complex decision-making processes.
  Sorting Priority: This determines the order in which the columns are evaluated when the decision table is processed. The lower the number, the higher the priority.
  SAP FDT (Flexible Decision Table): This is a framework in SAP that allows users to create and manage decision tables more flexibly.
  
  If you continue to experience issues after following these steps, consider checking the SAP documentation or reaching out to SAP support for further assistance.