How To Fix FDT_EXPRESSIONS671 - Not more than 255 selection conditions are allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 671

• Message text: Not more than 255 selection conditions are allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS671 - Not more than 255 selection conditions are allowed ?

  The SAP error message FDT_EXPRESSIONS671 indicates that you have exceeded the limit of 255 selection conditions in a particular context, typically when working with expressions in the SAP Fiori or SAP S/4HANA environments. This limit is imposed to ensure performance and manageability of the expressions.
  Cause:
  The error occurs when you attempt to create or modify a selection condition in a data model or expression that includes more than 255 individual conditions. This can happen in various scenarios, such as:
  
  Creating complex filters in analytical queries.
  Defining selection criteria in custom reports or applications.
  Using multiple conditions in a single expression or filter.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Simplify Conditions:
  
  Review the selection conditions you are using and see if you can simplify them. For example, instead of having multiple individual conditions, you might be able to group them logically or use ranges.
  
  
  
  Use Logical Operators:
  
  Instead of listing each condition separately, consider using logical operators (AND, OR) to combine conditions. This can help reduce the total number of conditions.
  
  
  
  Break Down the Expression:
  
  If possible, break down the expression into smaller parts. You can create multiple expressions or filters that each contain fewer than 255 conditions and then combine their results.
  
  
  
  Review Data Model:
  
  If you are working with a data model, check if you can redesign it to reduce the number of selection conditions. This might involve changing how data is aggregated or filtered.
  
  
  
  Use Subqueries:
  
  If applicable, consider using subqueries or temporary tables to handle complex filtering logic outside of the main expression.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or community forums for best practices on managing selection conditions and expressions.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error.
  Performance Considerations: Keep in mind that having too many conditions can not only lead to errors but can also impact performance. Always aim for efficient data retrieval strategies.
  SAP Community: Engage with the SAP Community for shared experiences and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the error and optimize your selection conditions effectively.