How To Fix I3003 - Specify a material number (KMAT)

I3003 - Overview

• Message type: E = Error

• Message class: I3 - PM Order Management and PM/SD Interface

• Message number: 003

• Message text: Specify a material number (KMAT)

What causes this issue?

In table T399B, configurable materials are stored for task lists, in
order to create the link to the configuration. You cannot make any
entries there without material numbers.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Enter the material number (KMAT) for the task list, that should be used
for the configuration. If you do not want to configure the task list,
delete the entry from the table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message I3003 - Specify a material number (KMAT) ?

  The SAP error message I3003, which states "Specify a material number (KMAT)," typically occurs in the context of variant configuration in SAP. This error indicates that the system requires a material number for a configurable material (KMAT) but none has been provided.
  
  Cause:
  
  Missing Material Number: The most common cause is that the user has not entered a material number when trying to create or process a sales order, production order, or any other transaction that requires a configurable material.
  Incorrect Transaction: The transaction being executed may not be appropriate for the context of a configurable material.
  User Input Error: The user may have overlooked entering the material number or may have entered it incorrectly.
  
  
  Solution:
  
  Enter a Material Number: Ensure that you enter a valid material number for the configurable material (KMAT) in the relevant field. This is typically done in the sales order or production order screen.
  Check Material Master: Verify that the material number