How To Fix WER401 - The operator value has not been set.

WER401 - Overview

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 401

• Message text: The operator value has not been set.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WER401 - The operator value has not been set. ?

  Certainly! Here's a detailed explanation for the SAP error message WER401: The operator value has not been set.
  
  SAP Error Message: WER401 - The operator value has not been set
  
  
  Cause:
  The error WER401 typically occurs in SAP Workflow or Business Rule Framework plus (BRFplus) contexts when a required operator value in a condition or rule has not been specified. 
  
  In workflows or BRFplus rules, conditions often require an operator (e.g., equals, greater than, less than) to compare values.
  If the operator field is left blank or not properly set during the configuration of a condition or rule, the system cannot evaluate the condition.
  This leads to the error message indicating that the operator value is missing.
  
  
  When does it occur?
  
  While defining or modifying workflow conditions.
  When creating or editing BRFplus rules or expressions.
  During runtime evaluation of a workflow or rule where the operator is expected but missing.
  
  
  
  Solution:
  
  
  Check the Condition or Rule Definition:
  
  Go to the workflow or