How To Fix CRM_BRF004 - Runtime class for event for BRF application class &1 caused casting error

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_BRF -

• Message number: 004

• Message text: Runtime class for event for BRF application class &1 caused casting error

What causes this issue?

The runtime class for events assigned to the BRF application class &V1&
has caused a cast error.

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?

Establish which runtime class for events is assigned to the BRF
application class '&V1&' (transaction BRFIMC01). Ensure that this
class is derived from the class CL_CRM_BRF_EVENT. If this is not the
case, choose another runtime class for events of BRF application class '
&V1&', preferably class CL_CRM_BRF_EVENT itself.

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 CRM_BRF004 - Runtime class for event for BRF application class &1 caused casting error ?

  The SAP error message CRM_BRF004 indicates that there is a runtime class issue related to the Business Rule Framework (BRF) application. Specifically, it suggests that there is a casting error when trying to handle an event for a BRF application class. This can occur due to various reasons, such as incorrect data types, misconfigured BRF rules, or issues with the event handling logic.
  Causes:
  
  Data Type Mismatch: The data being passed to the BRF application may not match the expected data types defined in the BRF rules.
  Incorrect Configuration: The BRF application or rules may not be configured correctly, leading to issues when the application tries to execute.
  Event Handling Logic: There may be issues in the event handling logic that are causing the casting error.
  Version Compatibility: There could be compatibility issues between different versions of SAP components or BRF itself.
  
  Solutions:
  
  Check Data Types: Verify that the data being passed to the BRF application matches