How To Fix /SMB/CM_CONVERSION128 - You do not have authorization to use the functionality

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CM_CONVERSION -

• Message number: 128

• Message text: You do not have authorization to use the functionality

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CM_CONVERSION128 - You do not have authorization to use the functionality ?

  The SAP error message /SMB/CM_CONVERSION128 indicates that a user does not have the necessary authorization to access a specific functionality or transaction within the SAP system. This error typically arises in the context of SAP Business One or other SAP modules where user permissions are strictly enforced.
  Cause:
  
  Missing Authorizations: The user role assigned to the individual does not include the necessary permissions to execute the transaction or access the functionality.
  Role Configuration: The roles and authorizations may not be properly configured in the SAP system, leading to restricted access.
  User Profile Issues: The user profile may not be correctly set up, or the user may not be assigned to the correct group that has the required permissions.
  
  Solution:
  
  
  Check User Authorizations:
  
  Go to the SAP GUI and navigate to the transaction code SU53 immediately after encountering the error. This will show you the last authorization check and help identify which specific authorization is missing.
  Alternatively, you can use transaction SU01 to check the user’s profile and roles.
  
  
  
  Modify User Roles:
  
  If you have the necessary administrative rights, you can modify the user’s roles using transaction PFCG (Profile Generator).
  Add the required authorizations to the user’s role or create a new role that includes the necessary permissions.
  
  
  
  Consult with Security Administrator:
  
  If you do not have the necessary permissions to change roles or authorizations, contact your SAP security administrator or the person responsible for user management in your organization. Provide them with the error message and any relevant details.
  
  
  
  Testing:
  
  After making changes to the user roles or authorizations, have the user log out and log back in to see if the issue is resolved.
  
  
  
  Related Information:
  
  Authorization Objects: Familiarize yourself with the relevant authorization objects that may be associated with the functionality you are trying to access. This can help in understanding what specific permissions are required.
  Documentation: Review SAP documentation or help resources related to user authorizations and role management for more detailed guidance.
  Audit Logs: If the issue persists, check the audit logs for any additional information regarding authorization failures.
  
  By following these steps, you should be able to identify and resolve the authorization issue causing the /SMB/CM_CONVERSION128 error message.