How To Fix WB2B040 - Schedule lines have already been created for the main item

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 040

• Message text: Schedule lines have already been created for the main item

What causes this issue?

Schedule lines have already been created for this item. Schedule lines
can only be created for items without subitems, or directly at subitem
level.

System Response

The system does not create a subitem for this item.

How to fix this error?

First delete the schedule lines.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B040 - Schedule lines have already been created for the main item ?

  The SAP error message WB2B040 indicates that schedule lines have already been created for the main item in a sales order or delivery. This typically occurs in the context of sales and distribution (SD) when you attempt to create or modify schedule lines for an item that already has existing schedule lines.
  
  Cause:
  
  Existing Schedule Lines: The main item in the sales order or delivery already has schedule lines created, which means that the system does not allow you to create new ones for the same item.
  Order Type Restrictions: Certain order types may have restrictions on modifying schedule lines once they are created.
  Data Entry Errors: There may be an attempt to enter schedule lines incorrectly, such as trying to add them to an item that is not eligible for schedule line creation.
  
  
  Solution:
  
  Check Existing Schedule Lines: Review the existing schedule lines for the main item. You can do this by navigating to the