How To Fix V1378 - &1 &2 for schedule line &3/&4 can no longer be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 378

• Message text: &1 &2 for schedule line &3/&4 can no longer be changed

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 V1378 - &1 &2 for schedule line &3/&4 can no longer be changed ?

  The SAP error message V1378 indicates that a schedule line in a sales order cannot be changed. This typically occurs when certain conditions are met that prevent modifications to the schedule line. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Delivery Creation: The schedule line may have already been processed for delivery. Once a delivery is created for a schedule line, it becomes locked for changes.
  Billing Document: If a billing document has been created for the sales order, the schedule line cannot be modified.
  Status of the Sales Order: The sales order may be in a status that does not allow changes (e.g., completed, closed).
  Custom Settings: There may be custom settings or user exits that restrict changes to schedule lines under certain conditions.
  
  Solutions:
  
  Check Delivery Status: Verify if a delivery has been created for the schedule line. If so, you will need to reverse or delete the delivery before making changes.
  Check Billing Status: Ensure that no billing documents are created for the sales order. If they exist, you may need to reverse them.
  Change Order Status: If the sales order is in a status that prevents changes, you may need to change its status to allow modifications.
  Consult with SAP Support: If the issue persists, consult with your SAP support team or check SAP Notes for any known issues or patches related to this error.
  Review Custom Logic: If there are custom developments in your SAP system, review them to see if they are causing the restriction on changing schedule lines.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like VA02 (Change Sales Order) to attempt to modify the sales order and check the status of the schedule line.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message.
  Documentation: Review SAP documentation related to sales order processing and schedule line management for further insights.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.