How To Fix MM356 - The material & has been created or extended

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 356

• Message text: The material & has been created or extended

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 MM356 - The material & has been created or extended ?

  The SAP error message MM356 indicates that a material has already been created or extended in the system. This typically occurs when you attempt to create or extend a material that already exists in the database, leading to a conflict.
  Cause:
  
  Duplicate Entry: The material number you are trying to create or extend already exists in the system.
  Incorrect Material Number: You may have entered the wrong material number or made a typographical error.
  Material Status: The material might be in a status that prevents further changes or extensions.
  
  Solution:
  
  Check Existing Material: Verify if the material number you are trying to create or extend already exists. You can do this by using transaction codes like MM03 (Display Material) or MM02 (Change Material).
  Use the Correct Material Number: If you find that the material already exists, ensure you are using the correct material number for your operations.
  Review Material Status: Check the status of the material. If it is blocked or in a status that prevents changes, you may need to resolve that issue first.
  Consult with Colleagues: If you are unsure about the material number or its status, consult with your colleagues or the person responsible for material management in your organization.
  Use Transaction Codes: If you need to make changes to an existing material, use MM02 to modify the material instead of trying to create a new one.
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  Material Master Data: Understanding how material master data is structured in SAP can help prevent such errors. Familiarize yourself with the different views and data fields.
  Authorization Issues: Ensure you have the necessary authorizations to create or extend materials in the system.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to material creation or extension.
  
  If the problem persists after checking these aspects, it may be beneficial to consult your SAP support team or refer to SAP documentation for further troubleshooting steps.