How To Fix BRF129 - The expression for the date must be category D - &1 is category &2

BRF129 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 129

• Message text: The expression for the date must be category D - &1 is category &2

Self-Explanatory Message

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BRF129 - Details

• The SAP error message BRF129 indicates that there is a mismatch in the expected data type for a date expression in the Business Rule Framework (BRF). Specifically, the error states that the expression is expected to be of category "D" (which stands for date), but it is currently of a different category (indicated by "&2").
  
  Cause:
  The error typically arises in the following scenarios:
  
  Incorrect Data Type: The expression or variable being used in the rule is not defined as a date type. For example, it might be defined as a string or numeric type instead.
  Improper Configuration: The configuration of the rule or the data model may not align with the expected data types, leading to this mismatch.
  Data Input Issues: If the data being passed into the rule is not formatted correctly as a date, it can trigger this error.
  
  
  Solution:
  To resolve the BRF129 error, you can take the following steps:
  
  
  Check Data Types: Review