How To Fix MM642 - The material entered may be processed only with a change number

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 642

• Message text: The material entered may be processed only with a change number

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM642 - The material entered may be processed only with a change number ?

  The SAP error message MM642 indicates that the material you are trying to process is subject to a change management process, which means that it can only be processed with a specific change number. This is typically related to materials that are under strict version control or have undergone changes that need to be tracked.
  Cause:
  
  Change Management: The material is linked to a change number, which is a part of the change management process in SAP. This is often used in industries where materials undergo frequent changes and need to be tracked for compliance or quality assurance.
  Material Status: The material may have a status that restricts its use until a specific change number is assigned.
  Configuration Settings: The configuration in the material master may require a change number for certain operations, such as procurement or production.
  
  Solution:
  
  Enter a Change Number: When prompted by the error message, you need to enter a valid change number that is associated with the material. This change number should be created in the system and should correspond to the changes made to the material.
  Check Material Master Data: Review the material master data to ensure that the change management settings are correctly configured. You can do this by navigating to the material master record and checking the relevant views.
  Consult with Change Management Team: If you are unsure about the change number or how to obtain it, consult with your change management or engineering team. They should have the necessary information regarding the changes made to the material.
  Review Configuration: If you have the necessary permissions, review the configuration settings in the system to determine if the requirement for a change number can be adjusted based on your business needs.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MM03 (Display Material), MM02 (Change Material), or MM01 (Create Material) to manage material data.
  Change Number Management: Familiarize yourself with how change numbers are created and managed in your SAP system. This may involve using transaction codes like CC01 (Create Change Number) or CC02 (Change Change Number).
  Documentation: Refer to your organization's documentation or SAP help resources for specific guidelines on handling materials with change numbers.
  
  By following these steps, you should be able to resolve the MM642 error and continue processing the material as needed.