How To Fix MM635 - You are not authorized to lock the material &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 635

• Message text: You are not authorized to lock the material &1

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

If necessary, ask your system administrator to authorize you to lock
materials.

Procedure for System Administrators

If the user is to be authorized to lock materials, assign the
authorization object <DS:UO.M_MATE_MAF>M_MATE_MAF</> to the user.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM635 - You are not authorized to lock the material &1 ?

  The SAP error message MM635 ("You are not authorized to lock the material &1") typically occurs when a user attempts to perform an action that requires locking a material, but they do not have the necessary authorization to do so. This can happen in various transactions related to material management, such as creating or changing material master records.
  Cause:
  
  Authorization Issues: The user does not have the required authorization object to lock the material. This is often related to the authorization objects for material management (e.g., M_MATE_MAR, M_MATE_WRK).
  Material Status: The material may be in a status that restricts certain actions, including locking.
  User Role: The user’s role may not include permissions for the specific plant or material type.
  
  Solution:
  
  
  Check Authorizations:
  
  Use transaction code SU53 immediately after the error occurs to check for missing authorizations. This will show you which authorization checks failed.
  Review the user’s roles and profiles in transaction PFCG to ensure that the necessary authorizations for material management are included.
  
  
  
  Request Additional Authorizations:
  
  If the user lacks the necessary authorizations, they should contact their SAP security team or system administrator to request the required access.
  
  
  
  Review Material Status:
  
  Check the status of the material in question. If the material is blocked or has restrictions, it may need to be unlocked or modified by an authorized user.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or internal guidelines regarding material management authorizations to ensure compliance with company policies.
  
  
  
  Testing:
  
  After adjustments are made, the user should attempt the action again to confirm that the issue is resolved.
  
  
  
  Related Information:
  
  
  Authorization Objects: Common authorization objects related to material management include:
  
  M_MATE_MAR: Material master authorization for general data.
  M_MATE_WRK: Material master authorization for plant data.
  
  
  
  Transaction Codes:
  
  SU53: Display authorization check.
  PFCG: Role maintenance.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to authorization errors.
  
  
  User Training: Ensure that users are trained on the proper procedures for handling materials and understand the implications of authorization restrictions.
  
  
  By following these steps, you should be able to identify the cause of the MM635 error and implement a solution to resolve it.