How To Fix W8311 - Add a logical operator (AND, OR) to line &1

W8311 - Overview

• Message type: E = Error

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

• Message number: 311

• Message text: Add a logical operator (AND, OR) to line &1

What causes this issue?

A logical operator (AND, OR) must be added between the specified line
&V1& and the subsequent line.

System Response

The condition is not syntactically correct and must be corrected.

How to fix this error?

If the subsequent line is empty, put the cursor in the empty subsequent
line and choose <LS>Delete Line</>. This error tends to occur
particularly in traditional mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W8311 - Add a logical operator (AND, OR) to line &1 ?

  SAP Error Message:
  W8311 - Add a logical operator (AND, OR) to line &1
  
  
  Cause:
  This warning message occurs when you are defining or editing a selection condition or a logical expression in SAP (often in transaction variants, selection screens, or query conditions), and the system detects that a logical operator (such as AND or OR) is missing between conditions or lines.
  In other words, the system expects a logical operator to connect multiple conditions or lines, but it is not found. This can happen if you enter multiple conditions without specifying how they should be combined logically.
  
  Explanation:
  
  
  When defining multiple selection criteria or conditions, SAP requires that each condition be connected by a logical operator.
  
  
  For example, if you have two conditions:
  
  Condition 1: Material = '1000'
  Condition 2: Plant = '0001'
  
  You must specify whether these conditions are combined with AND or OR.
  
  
  If you omit the logical operator, SAP raises this warning to prompt you to add