SAP Message 29740 - Item category & is not supported in document structures

Diagnosis
You want to enter an item with item category &V1& in a documentstructure. This is not possible, as only the following item categoriesare supported in document structures:

  • document item

  • text item
  • Procedure
    Please correct your entry in the Item category field.
    If you want to exit item entry, choose function Cancel from theEdit menu.
    You see a dialog box. Press ENTER to confirm the message, and thesystem deletes the incorrect item data.