How To Fix BRF577 - Subexpression &2 used with expression &1 is buffered

BRF577 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 577

• Message text: Subexpression &2 used with expression &1 is buffered

What causes this issue?

Expression &v1& is <DS><DS:DE.BRF_XNO_BUFFERING>not buffered</>
</> but the subexpression used is buffered.

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?

Check whether the subexpression used &V2& also needs to be calculated
anew for the new calculation of expression &v1&. With subexpression &v2&
, you can use either <ZK>Not Buffered</> or
<DS:DE.BRF_INVALIDATE>Invalidate</> as the setting for buffering.

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 BRF577 - Subexpression &2 used with expression &1 is buffered ?

  The SAP error message BRF577 indicates that there is an issue with the buffering of a subexpression in the Business Rule Framework (BRF). This error typically arises when a subexpression that is being used in a rule is set to be buffered, but the main expression is not configured to handle it properly.
  
  Cause:
  The error occurs due to the following reasons:
  
  Buffering Configuration: The subexpression is configured to be buffered, but the main expression does not support or is not set up to handle buffered subexpressions.
  Inconsistent Settings: There may be inconsistencies in the buffering settings between the main expression and the subexpression, leading to this error.
  
  
  Solution:
  To resolve the BRF577 error, you can take the following steps:
  
  
  Check Buffering Settings:
  
  Review the buffering settings of both the main expression and the subexpression. Ensure that they are consistent and compatible.
  If the main expression is not intended to be buffered, consider changing the buffering setting of the