How To Fix MW598 - Enter a structured material

MW598 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 598

• Message text: Enter a structured material

What causes this issue?

A structured material can be entered for this selection.

System Response

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

How to fix this error?

Do one of the following:
Enter a structured material
Remove your entry from the field
Change the selection

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MW598 - Details

• The SAP error message MW598, which states "Enter a structured material," typically occurs when you are trying to perform an operation that requires a structured material but the system does not recognize the material as such. Structured materials in SAP are materials that have a hierarchical structure, often used in industries like manufacturing and construction, where a product is made up of multiple components.
  
  Cause:
  
  Material Type: The material you are trying to use may not be defined as a structured material in the system.
  Missing Configuration: The material may not have been properly configured to be recognized as structured.
  Incorrect Transaction: You might be using a transaction that requires structured materials, but the material you selected is not structured.
  Master Data Issues: There could be issues with the material master data, such as missing or incorrect settings.
  
  
  Solution:
  
  Check Material Type: Verify that the material you are trying to use is indeed a structured material. You