How To Fix 6P337 - Schedule line already exists, quantity will be added after confirmation

6P337 - Overview

• Message type: E = Error

• Message class: 6P - Messages for planned independent requirements (Appl.area 60)

• Message number: 337

• Message text: Schedule line already exists, quantity will be added after confirmation

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6P337 - Schedule line already exists, quantity will be added after confirmation ?

  The SAP error message 6P337 ("Schedule line already exists, quantity will be added after confirmation") typically occurs in the context of sales order processing or delivery scheduling. This message indicates that there is already a schedule line for the specified item in the sales order or delivery, and any additional quantities will be added to that existing schedule line after confirmation.
  
  Cause:
  
  Duplicate Schedule Line: The system has detected that a schedule line for the same material and delivery date already exists in the order.
  Quantity Adjustment: You may be trying to add more quantity to an existing schedule line, which is not allowed until the current schedule line is confirmed.
  Order Processing Logic: The business logic in SAP may be set up to prevent the creation of multiple schedule lines for the same item on the same date.
  
  
  Solution:
  
  Confirm Existing Schedule Line: If you are trying to add quantity, first confirm the existing schedule