How To Fix CN578 - Material &1, item number &2 is already in delivery &3/&4

CN578 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 578

• Message text: Material &1, item number &2 is already in delivery &3/&4

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.

Unfortunately, there isn't any extra information in this error notice.

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CN578 - Details

• The SAP error message CN578 indicates that a specific material (identified by &1) and item number (identified by &2) is already included in a delivery (identified by &3 and &4). This error typically occurs during the process of creating or modifying a delivery in the SAP system, particularly in the context of logistics and supply chain management.
  
  Cause:
  
  Duplicate Entry: The material/item combination you are trying to add to a delivery is already present in another delivery.
  Delivery Processing: The item may have already been processed or is in the process of being delivered, preventing it from being added to a new delivery.
  System Configuration: There may be specific configurations or settings in the SAP system that restrict the addition of items that are already in a delivery.
  
  
  Solution:
  
  Check Existing Deliveries: Review the existing deliveries to see if the material/item combination is already included. You can use transaction codes like VL03N (Display Outbound Delivery) to