How To Fix BRF126 - Category of implementing class: E or R expected, & obtained

BRF126 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 126

• Message text: Category of implementing class: E or R expected, & obtained

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.

BRF126 - Details

• The SAP error message BRF126, which states "Category of implementing class: E or R expected, & obtained," typically occurs in the context of Business Rule Framework (BRF+) when there is an issue with the configuration of a rule or decision table. This error indicates that the system expected a specific category (either "E" for "Event" or "R" for "Rule") but received a different or unexpected value.
  
  Cause:
  
  Incorrect Configuration: The implementing class for a rule or decision table may not be set correctly. The system expects a specific category but finds something else.
  Data Type Mismatch: The data type or structure of the input parameters may not match the expected types defined in the BRF+ configuration.
  Rule Logic Error: There may be an error in the logic of the rules defined, leading to an unexpected category being processed.
  
  
  Solution:
  
  Check Implementing Class: Review the configuration of the implementing class in the BRF+ application. Ensure that the