How To Fix /ACCGO/MCK_MSG_MAINT063 - Material cannot be used more than once within group

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_MSG_MAINT -

• Message number: 063

• Message text: Material cannot be used more than once within group

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 /ACCGO/MCK_MSG_MAINT063 - Material cannot be used more than once within group ?

  The SAP error message /ACCGO/MCK_MSG_MAINT063 indicates that a material cannot be used more than once within a specific group. This error typically arises in the context of material master data management, particularly when dealing with material group assignments or when trying to create or modify a material that is already associated with a particular group.
  Cause:
  
  Duplicate Assignment: The material you are trying to assign to a group is already assigned to that group. In SAP, each material can only belong to a specific group once.
  Configuration Settings: The system may have been configured to prevent duplicate entries for materials within certain groups to maintain data integrity.
  Data Entry Error: There may have been an error during data entry, leading to an attempt to assign the same material to the same group multiple times.
  
  Solution:
  
  Check Existing Assignments: Verify if the material is already assigned to the group. You can do this by checking the material master data in the relevant transaction (e.g., MM03 for display).
  Remove Duplicate Assignment: If the material is already assigned to the group, you may need to remove the existing assignment before trying to add it again.
  Use a Different Group: If the material needs to be categorized differently, consider assigning it to a different group that does not already contain that material.
  Consult Documentation: Review any relevant documentation or guidelines regarding material group assignments to ensure compliance with business rules.
  Contact Support: If you are unsure about the changes or if the issue persists, consider reaching out to your SAP support team or a functional consultant for assistance.
  
  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 Groups: Understand the concept of material groups in SAP, which are used to categorize materials for reporting and analysis.
  Data Integrity: Maintaining data integrity is crucial in SAP; ensure that your data entry processes are robust to avoid such errors in the future.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to resolve the error and ensure that your material assignments are correctly managed within SAP.