How To Fix BRF231 - Decision expression &1 cannot be evaluated in RANGE &2

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 231

• Message text: Decision expression &1 cannot be evaluated in RANGE &2

What causes this issue?

The system cannot calculate the range expression because it is unable to
determine a valid result for a required subexpression.

System Response

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

How to fix this error?

Check whether there are any error messages for the subexpressions.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRF231 - Decision expression &1 cannot be evaluated in RANGE &2 ?

  The SAP error message BRF231 indicates that there is an issue with evaluating a decision expression in a Business Rule Framework (BRF+) context. Specifically, the message states that the decision expression cannot be evaluated within the specified range. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  
  Invalid Input Values: The input values provided to the decision expression may not fall within the expected range or format. This can happen if the data types do not match or if the values are outside the defined limits.
  
  
  
  Configuration Issues: There may be a misconfiguration in the BRF+ rules or decision tables that define the range for the decision expression. This could include incorrect ranges or missing entries.
  
  
  Data Type Mismatch: The data types of the input parameters may not match the expected data types defined in the decision expression or range.
  
  
  Logical Errors in Rules: There may be logical errors