How To Fix MU075 - The material category &1 of the header material &2 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 075

• Message text: The material category &1 of the header material &2 is not allowed

What causes this issue?

You want to create components for the material &V2&. However, the
<DS:GLOS.3526BC12AFAB52B9E10000009B38F974>material category</> &V1& is
not allowed for BOM header materials. BOM header materials can be:
<DS:GLOS.3526BBD7AFAB52B9E10000009B38F974>Structured materials</>
Single materials (to which you can assign an empties BOM)
You define the material category when creating a material master
record, after which the material category may no longer be changed.

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?

Choose another material with a material category that is allowed, or
create a new material master record.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MU075 - The material category &1 of the header material &2 is not allowed ?

  The SAP error message MU075 indicates that there is an issue with the material category of a header material in a specific transaction or process. This error typically arises in the context of material management, particularly when dealing with material master data or when trying to create or modify documents that involve materials.
  Cause:
  The error message MU075 is triggered when the material category of the header material (the main material in a transaction) is not allowed for the operation you are trying to perform. This can happen due to several reasons:
  
  Incorrect Material Category: The material category assigned to the header material may not be compatible with the transaction type or process you are attempting to execute.
  Configuration Settings: The system configuration may restrict certain material categories from being used in specific transactions or processes.
  Missing Authorizations: The user may not have the necessary authorizations to work with the specified material category.
  Material Status: The material may be blocked or have a status that prevents it from being used in the current context.
  
  Solution:
  To resolve the MU075 error, you can take the following steps:
  
  
  Check Material Category: Verify the material category of the header material (material &2) in the material master data. Ensure that it is appropriate for the transaction you are trying to perform.
  
  You can check this in the material master by navigating to the relevant transaction (e.g., MM03 for display).
  
  
  
  Review Configuration: Consult with your SAP configuration team to review the settings related to material categories. Ensure that the material category is allowed for the specific transaction or process.
  
  This may involve checking the configuration in the IMG (Implementation Guide) under Material Management settings.
  
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to work with the specified material category. This may involve checking user roles and permissions in the SAP system.
  
  
  Material Status: Check the status of the material to ensure it is not blocked or restricted. If it is blocked, you may need to change its status to allow it to be used.
  
  
  Consult Documentation: If the issue persists, refer to SAP documentation or support resources for further guidance on the specific error message and its implications.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material master data.
  Material Master Data: Understanding the structure and fields in the material master can help in diagnosing issues related to material categories.
  SAP Notes: Check for any SAP Notes related to error MU075 in the SAP Support Portal, as there may be specific patches or updates that address known issues.
  
  By following these steps, you should be able to identify the root cause of the MU075 error and implement the necessary solutions to resolve it.