How To Fix W8345 - Evaluation returns 'false'; &1 message(s) exist

W8345 - Overview

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 345

• Message text: Evaluation returns 'false'; &1 message(s) exist

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.

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W8345 - Details

• Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  W8345 Evaluation returns 'false'; &1 message(s) exist
  
  
  Cause:
  This warning message occurs during the evaluation of a condition or validation rule in SAP, typically within the context of master data maintenance, transaction processing, or custom validations (e.g., in BRF+, validation rules, or user-exits). The system evaluates a condition or expression, and the result is 'false', meaning the condition was not met. Additionally, there are one or more messages (errors or warnings) generated as a result of this evaluation.
  In other words, the system tried to validate or check some data or logic, but the check failed (returned false), and there are related messages explaining why.
  
  When does it typically occur?
  
  During data validation in master data transactions (e.g., vendor, customer, material master).
  In custom validations or checks implemented via user-exits, BADIs, or BRF+ rules.
  When a condition in a workflow or business rule is not fulfilled.
  During