How To Fix WTADDI416 - Additionals are not allowed for material category & (&)

WTADDI416 - Overview

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 416

• Message text: Additionals are not allowed for material category & (&)

Self-Explanatory Message

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WTADDI416 - Details

• SAP Error Message:
  WTADDI416 - Additionals are not allowed for material category & (&)
  
  
  Cause:
  This error occurs when you try to add additional items (such as additional costs, additional materials, or additional components) to a material that belongs to a material category which does not allow additionals in the context of the transaction you are performing.
  In SAP, material categories control various behaviors and restrictions for materials, including whether additional items can be assigned or processed with them. For example, certain material categories like "Non-stock materials" or "Services" may not permit additionals in certain processes like production orders, sales orders, or goods movements.
  The placeholders & (&) in the message represent the material category code and its description, respectively.
  
  When does it typically occur?
  
  When creating or changing production orders or process orders and trying to add additional components or costs to a material that does not allow it.
  When entering additional items in sales documents or