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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message V1336 - Item &1 already has a schedule line for date &2 &3 &4 ?

  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 schedule line categories or item categories.
  
  
  Solution:
  
  
  Check Existing Schedule Lines: 
  
  Go to the sales order in question and check the schedule lines for the item. You can do this by navigating to the item details in the sales order and reviewing the schedule line data.
  If a schedule line already exists for the specified date, you may need to adjust the existing schedule line instead of creating a new one.
  
  
  
  Modify or Delete Schedule Lines:
  
  If the existing schedule line is incorrect or needs to be changed, you can modify it as necessary.
  If you need to create a new schedule line for a different date, you can delete the existing one (if appropriate) and then create a new schedule line.
  
  
  
  Consult with Your Team: If you are unsure about the changes, consult with your sales or logistics team to ensure that the adjustments align with business processes.
  
  
  Review Configuration: If this issue occurs frequently, it may be worth reviewing the configuration settings related to schedule lines in your SAP system. This may involve working with your SAP Basis or configuration team.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like VA03 (Display Sales Order) to view the sales order and its schedule lines.
  Documentation: Refer to SAP documentation or help files for more detailed information on schedule lines and how they work within the sales order process.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the V1336 error and manage schedule lines effectively in your SAP system.