How To Fix BRF103 - Expression &1 belongs to cat.&2. Only Boolean expressions (B) permitted

BRF103 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 103

• Message text: Expression &1 belongs to cat.&2. Only Boolean expressions (B) permitted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

BRF103 - Details

• The SAP error message BRF103 indicates that there is an issue with the type of expression being used in a Business Rule Framework (BRF) decision table or rule. Specifically, the error states that the expression you are trying to use belongs to a category that is not compatible with the expected type. In this case, only Boolean expressions (category B) are permitted.
  
  Cause:
  
  Incorrect Expression Type: The expression you are trying to use is not a Boolean expression. It may belong to a different category, such as numeric or string expressions.
  Misconfiguration: There may be a misconfiguration in the decision table or rule where the expected expression type does not match the actual expression type.
  Rule Logic Error: The logic defined in the rule may be incorrectly set up, leading to the use of an inappropriate expression type.
  
  
  Solution:
  
  Check Expression Type: Review the expression that is causing the error. Ensure that it is a Boolean