How To Fix FDT_EXPRESSIONS268 - Decision table is large, check for overlapping conditions will be skipped

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 268

• Message text: Decision table is large, check for overlapping conditions will be skipped

What causes this issue?

You are about to check or activate the current decision table. Among
others, the check process comprises an overlap check. Here, the system
analyzes the table content to find out if the various value combinations
in the condition columns are distinct and free of range overlappings or
duplicates.
INCLUDE FDT_DT_SKIP_CHECK OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS268 - Decision table is large, check for overlapping conditions will be skipped ?

  The SAP error message FDT_EXPRESSIONS268 indicates that a decision table in the SAP system is too large, and as a result, the system will skip the check for overlapping conditions. This can occur in the context of using the SAP Fiori Decision Table framework, which is often used in business rules management.
  Cause:
  
  Large Decision Table: The primary cause of this error is that the decision table has exceeded a certain size limit, which can be defined by the system. This can happen if there are too many rows or columns in the decision table.
  Complex Conditions: If the conditions defined in the decision table are complex or numerous, it can lead to performance issues, prompting the system to skip the overlapping conditions check to avoid excessive processing time.
  
  Solution:
  
  
  Optimize the Decision Table:
  
  Reduce Size: Try to reduce the number of rows or columns in the decision table. This can be done by consolidating similar conditions or removing unnecessary entries.
  Simplify Conditions: Review the conditions defined in the decision table and simplify them where possible. This may involve breaking down complex conditions into simpler ones or using fewer variables.
  
  
  
  Split the Decision Table: If the decision table is inherently large due to business requirements, consider splitting it into multiple smaller decision tables that can be processed independently.
  
  
  Review Overlapping Conditions: If you have overlapping conditions, ensure that they are necessary. Overlapping conditions can lead to ambiguity and may not be needed if they can be consolidated.
  
  
  Check System Settings: Consult with your SAP Basis or technical team to see if there are any system settings or parameters that can be adjusted to allow for larger decision tables or to optimize performance.
  
  
  Testing: After making changes, thoroughly test the decision table to ensure that it behaves as expected and that the logic is still valid.
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for the Decision Table framework for best practices and guidelines on designing decision tables.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling large decision tables.
  Performance Monitoring: Monitor the performance of decision tables in your system to identify any potential bottlenecks or issues that may arise from large tables.
  
  By following these steps, you should be able to address the error message and improve the performance and maintainability of your decision tables in SAP.