How To Fix 06728 - You may not assign any sources of supply to items without material

06728 - Overview

• Message type: E = Error

• Message class: 06 -

• Message number: 728

• Message text: You may not assign any sources of supply to items without material

What causes this issue?

You can only determine sources for items containing a material number.

System Response

The system cannot assign the item to a source of supply.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 06728 - You may not assign any sources of supply to items without material ?

  The SAP error message 06728, "You may not assign any sources of supply to items without material," typically occurs when you are trying to assign a source of supply (like a vendor or a purchasing info record) to a purchasing document item that does not have a material number associated with it. This is common in scenarios involving purchasing documents such as purchase requisitions or purchase orders.
  
  Cause:
  
  Missing Material Number: The item in the purchasing document does not have a material number assigned. This can happen if the item is a service or if the material number was not entered correctly.
  Incorrect Document Type: The document type being used may not support items without material numbers.
  
  Configuration Issues: There may be configuration settings in the system that restrict the assignment of sources of supply to items without material numbers.
  
  
  Solution:
  
  Check Material Assignment: Ensure that the item in question has a valid material number assigned.