How To Fix /PLMI/BO_MAT023 - Material &1 cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/BO_MAT -

• Message number: 023

• Message text: Material &1 cannot be changed

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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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 /PLMI/BO_MAT023 - Material &1 cannot be changed ?

  The SAP error message /PLMI/BO_MAT023 Material &1 cannot be changed typically indicates that there is an issue with the material master data in the SAP system. This error can occur for several reasons, and understanding the cause is essential for finding a solution. Here are some common causes and potential solutions:
  Causes:
  
  Material Status: The material may be set to a status that prevents changes, such as "Blocked" or "Inactive."
  User Authorizations: The user attempting to make changes may not have the necessary authorizations to modify the material.
  Material Type Restrictions: Certain material types have restrictions on changes after they have been created.
  Data Locking: The material may be locked by another user or process, preventing changes.
  Dependencies: There may be dependencies or relationships with other objects (like BOMs, routings, etc.) that restrict changes to the material.
  
  Solutions:
  
  Check Material Status: Verify the status of the material in the material master record. If it is blocked or inactive, you may need to change its status to allow modifications.
  Review Authorizations: Ensure that the user has the appropriate authorizations to change the material. This can be checked in the user roles and profiles.
  Material Type Configuration: Review the configuration of the material type in the system to see if there are any restrictions on changes. You may need to consult with your SAP configuration team.
  Unlock the Material: If the material is locked, identify the user or process that has locked it and resolve the locking issue.
  Check Dependencies: Investigate any dependencies that may be preventing changes. This may involve checking related BOMs, routings, or other linked objects.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like MM02 (Change Material) to attempt to change the material and see if the error persists.
  Authorization Objects: Check authorization objects related to material master data, such as M_MATE_MAR (Material Master: General Data) and M_MATE_WRK (Material Master: Plant Data).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify the exact point of failure.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.