How To Fix MM255 - The material authorization group & does not exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 255

• Message text: The material authorization group & does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM255 - The material authorization group & does not exist ?

  The SAP error message MM255 indicates that the material authorization group specified does not exist in the system. This error typically occurs when you are trying to create or modify a material master record and the authorization group you are trying to assign is not defined in the system.
  Cause:
  
  Non-Existent Authorization Group: The specified material authorization group has not been created in the system.
  Typographical Error: There may be a typo in the authorization group name you are trying to use.
  Authorization Group Deletion: The authorization group may have been deleted or is inactive.
  Configuration Issues: The system may not be properly configured to recognize the authorization group.
  
  Solution:
  
  
  Check Authorization Group:
  
  Go to the transaction code OMW1 (or SPRO -> Logistics - General -> Material Master -> Basic Settings -> Define Authorization Groups for Material Master).
  Verify if the authorization group you are trying to use exists in the list. If it does not, you will need to create it.
  
  
  
  Create Authorization Group:
  
  If the authorization group does not exist, you can create it in the same configuration area mentioned above.
  Enter a new authorization group name and description, and save your changes.
  
  
  
  Correct Typographical Errors:
  
  Double-check the authorization group name you are entering in the material master record for any spelling mistakes.
  
  
  
  Check for Deletions:
  
  If the authorization group was recently deleted, you may need to restore it or create a new one.
  
  
  
  Consult with SAP Basis or Security Team:
  
  If you are unsure about the authorization groups or need assistance with creating or modifying them, consult with your SAP Basis or Security team.
  
  
  
  Related Information:
  
  Authorization Groups: These are used in SAP to control access to certain materials based on user roles. They help in managing permissions for different users or groups of users.
  Material Master: The material master is a central repository of information related to materials in SAP, and it is crucial for various processes like procurement, inventory management, and production planning.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for working with material master records.
  
  By following these steps, you should be able to resolve the MM255 error and successfully manage your material authorization groups in SAP.