How To Fix WRF_MASS_MATERIAL028 - Maintenance group type & is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_MASS_MATERIAL - Integrated Mass Change

• Message number: 028

• Message text: Maintenance group type & is not valid

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_MASS_MATERIAL028 - Maintenance group type & is not valid ?

  The SAP error message WRF_MASS_MATERIAL028 indicates that the maintenance group type specified in your transaction is not valid. This error typically occurs in the context of mass maintenance activities for materials in SAP, particularly when dealing with material master data.
  Cause:
  
  Invalid Maintenance Group Type: The maintenance group type you are trying to use does not exist in the system or is not configured correctly.
  Configuration Issues: The maintenance group type may not be assigned to the relevant organizational units or may not be set up in the system.
  Data Entry Error: There may be a typographical error in the maintenance group type field.
  
  Solution:
  
  
  Check Maintenance Group Type:
  
  Verify the maintenance group type you are using. Ensure that it is correctly spelled and exists in the system.
  You can check the valid maintenance group types in the configuration settings of SAP.
  
  
  
  Configuration in SPRO:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Logistics - General > Material Master > Basic Settings > Define Maintenance Groups.
  Ensure that the maintenance group type you are trying to use is defined and active.
  
  
  
  Assign Maintenance Group Type:
  
  If the maintenance group type is not assigned to the relevant organizational units, you may need to assign it.
  Ensure that the maintenance group type is linked to the appropriate plants or company codes as necessary.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals for your specific SAP version to understand the requirements for maintenance group types.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: You may encounter this error while using transaction codes related to mass maintenance of materials, such as MM17 or MM02.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to perform mass changes to material master data.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.