How To Fix WW038 - Please enter an MG hierarchy level. & is a generic material

WW038 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 038

• Message text: Please enter an MG hierarchy level. & is a generic material

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW038 - Please enter an MG hierarchy level. & is a generic material ?

  The SAP error message WW038, which states "Please enter an MG hierarchy level," typically occurs in the context of material management, particularly when dealing with material groups (MG) in SAP. This error indicates that the system requires a specific hierarchy level for the material group, but it has not been provided.
  
  Cause:
  
  Missing Hierarchy Level: The most common cause of this error is that the user has not specified a material group hierarchy level when trying to create or modify a material.
  Generic Material: If the material is marked as a generic material, it may not have a specific hierarchy level assigned, leading to this error.
  
  Configuration Issues: There may be issues with the configuration of material groups or the hierarchy levels in the system.
  
  
  Solution:
  
  Enter a Hierarchy Level: When prompted with this error, ensure that you enter a valid material group hierarchy level in the relevant field. This is typically done in the material