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

SAP Error Message - Details

• 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 it.
  
  
  
  Solution:
  
  Review the selection conditions or logical expressions you have entered.
  Insert the appropriate logical operator (AND or OR) between the conditions or lines.
  Save and re-check the conditions to ensure the logical flow is correct.
  
  
  Related Information:
  
  This message is a warning (W), not an error, so it may not stop processing but indicates a potential logical issue.
  Logical operators are essential for correct filtering and selection in reports, queries, and variants.
  In SAP Query or transaction variants, always ensure that multiple conditions are properly connected.
  If you are working with ABAP code or selection screen logic, verify that the logical expressions are syntactically correct.
  Refer to SAP documentation on selection conditions and logical operators for more details.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message
  W8311 - Add a logical operator (AND, OR) to line &1
  
  
  Cause
  Missing logical operator between conditions or lines
  
  
  Solution
  Insert AND or OR between conditions to define logical relationship
  
  
  Type
  Warning (does not necessarily stop processing)
  
  
  Context
  Selection screens, transaction variants, queries, logical expressions
  
  
  
  
  If you provide the exact context (e.g., transaction, program, or scenario), I can help with more specific guidance.