How To Fix BRF564 - WHEN value '&1' produces an overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 564

• Message text: WHEN value '&1' produces an overflow

What causes this issue?

An overrun occurred in the conversion of the WHEN value, according to
the result typing of the CASE expression.

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?

Change the WHEN value to match the result typing of the CASE expression.
The length of the WHEN value must not exceed the field/structure length
of the CASE expression.

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 BRF564 - WHEN value '&1' produces an overflow ?

  The SAP error message BRF564 indicates that a value being processed in the Business Rule Framework (BRF) has exceeded the allowable limits, resulting in an overflow. This typically occurs when calculations or data manipulations yield a result that is too large for the data type defined in the BRF rules.
  Cause:
  
  Data Type Limitations: The value being processed exceeds the maximum limit of the data type (e.g., integer, decimal) defined in the BRF rules.
  Calculation Errors: Mathematical operations (like addition, multiplication) may produce results that exceed the expected range.
  Input Data Issues: The input data being processed may contain unexpected or extreme values that lead to overflow.
  Configuration Issues: Incorrectly configured rules or expressions that do not account for potential large values.
  
  Solution:
  
  Review Data Types: Check the data types used in the BRF rules and ensure they can accommodate the expected range of values. If necessary, change the data type to a larger one (e.g., from integer to long integer).
  Validate Input Data: Ensure that the input data being processed is within expected limits. Implement validation checks to prevent extreme values from being processed.
  Adjust Calculations: Review the calculations in the BRF rules to ensure they are designed to handle large values. Consider breaking down complex calculations into smaller steps to avoid overflow.
  Error Handling: Implement error handling in your BRF rules to catch potential overflow situations and provide meaningful error messages or fallback values.
  Testing: Conduct thorough testing with a variety of input values, including edge cases, to ensure that the rules handle all scenarios without causing overflow.
  
  Related Information:
  
  BRF+ Documentation: Refer to the official SAP documentation for BRF+ for detailed information on data types, rules configuration, and best practices.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to BRF overflow errors.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and what solutions they have implemented.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the BRF564 error and prevent it from occurring in the future.