How To Fix MMDA004 - Invalid material/material group entry; check input

SAP Error Message - Details

• Message type: E = Error

• Message class: MMDA - Message class for package MMDA

• Message number: 004

• Message text: Invalid material/material group entry; check input

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMDA004 - Invalid material/material group entry; check input ?

  The SAP error message MMDA004 ("Invalid material/material group entry; check input") typically occurs in the Materials Management (MM) module when there is an issue with the material or material group being referenced in a transaction. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid Material Number: The material number entered does not exist in the system. This could be due to a typo or the material not being created yet.
  Invalid Material Group: The material group specified does not exist or is not correctly defined in the system.
  Authorization Issues: The user may not have the necessary permissions to access the material or material group.
  Inactive Material: The material may be inactive or marked for deletion in the system.
  Configuration Issues: There may be issues with the configuration of material types or groups in the system.
  
  Solutions:
  
  Check Material Number: Verify that the material number entered is correct. You can do this by using transaction codes like MM03 (Display Material) to check if the material exists.
  Check Material Group: Ensure that the material group is valid and exists in the system. You can check this in the material master data or by using transaction codes like OMS2 (Maintain Material Types).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the material and material group. This may require coordination with your SAP security team.
  Check Material Status: If the material is inactive or marked for deletion, you may need to reactivate it or create a new material.
  Configuration Review: If the issue persists, review the configuration settings for material types and groups in the system. This may require assistance from an SAP MM consultant or administrator.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  OMS2: Maintain Material Types
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for materials management to understand how material and material group entries are structured and validated.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or an SAP consultant for further assistance.