How To Fix V1336 - Item &1 already has a schedule line for date &2 &3 &4

V1336 - Overview

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 336

• Message text: Item &1 already has a schedule line for date &2 &3 &4

What causes this issue?

A schedule line with the same date and the same time was already
created for item &V1&.

System Response

You receive a warning message because this does not usually happen.

How to fix this error?

Check whether you really want to create more than one schedule line for
date &V2& &V3& and time &V4&.

Error message extract from SAP system. Copyright SAP SE.

V1336 - Details

• The SAP error message V1336 indicates that there is an issue with scheduling lines for a specific item in a sales order. The message states that the item already has a schedule line for a particular date, which means that the system is preventing the creation of a new schedule line for the same item on that date.
  
  Cause:
  
  
  Existing Schedule Line: The primary cause of this error is that there is already a schedule line created for the item in question for the specified date. This can happen if:
  
  The item has already been scheduled for delivery on that date.
  There was an attempt to create a duplicate schedule line for the same item and date.
  
  
  
  Incorrect Data Entry: Sometimes, the error can occur due to incorrect data entry or misunderstanding of the scheduling process.
  
  
  
  Configuration Issues: There may be configuration settings in the system that are causing this behavior, such as settings related to