How To Fix CRM_BRF044 - Use of expression &1 causes tag &2 to use tag &3

CRM_BRF044 - Overview

• Message type: E = Error

• Message class: CRM_BRF -

• Message number: 044

• Message text: Use of expression &1 causes tag &2 to use tag &3

What causes this issue?

If you use the expression &V1&, this causes the tag expression &V2& to
use the other tag expression (&V3&). If the tag expression &V3& delivers
more than one result (multi-instance) at runtime, this leads to errors.
Use tag criteria or the formula editor to ensure that the tag expression
&V3& does not deliver more than one result. If this is not possible, do
not use the expression &V1&.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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_BRF044 - Use of expression &1 causes tag &2 to use tag &3 ?

  The SAP error message CRM_BRF044 typically relates to issues in the Business Rule Framework (BRF) when defining rules or expressions. This error indicates that there is a conflict or inconsistency in the way tags are being used in the expressions defined in the BRF.
  
  Cause:
  The error message "Use of expression &1 causes tag &2 to use tag &3" suggests that there is a problem with the way certain tags are being referenced or utilized in your BRF rules. Specifically, it indicates that the use of a particular expression (denoted by &1) is causing a tag (denoted by &2) to reference another tag (denoted by &3) in a way that is not allowed or expected.
  This can happen due to:
  
  Incorrect Tag Configuration: Tags may not be properly configured or may have conflicting definitions.
  Expression Logic Errors: The logic defined in the expressions may lead to unintended consequences regarding tag usage.
  Versioning Issues: If there are