SAP Message 29279 - Item ID & already exists

Diagnosis
You are entering a new item and have entered an external item ID.

System Response
The system checks whether:

  • This item ID has already been assigned in the BOM group

  • The Rptd itm effctvty via external item ID indicator
  • is set in Customizing under Definemodification parameters

    Procedure
    The item ID you entered has already been assigned in the BOM group, soyou see this message as either an error message or a warning message.

    • If it is an error message, the indicator is not set. You
    • must enter the item with a different item ID.
      • If it is a warning, the indicator is set. Once you confirm the
      • message, you can enter the item with a different item ID.