Message type: E = Error
Message class:  UAGENTABSEL - Messages for SE16N and Generic Table Selection 
Message number: 401
Message text: You are not authorized to carry out the &1 transaction
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The SAP error message UAGENTABSEL401 indicates that a user is not authorized to carry out a specific transaction. This error typically arises when a user attempts to execute a transaction for which they do not have the necessary permissions or roles assigned in the SAP system.
Cause: Missing Authorization: The user does not have the required authorization object or role assigned to their user profile to execute the transaction. Role Assignment: The role that includes the necessary authorizations may not be assigned to the user. Authorization Object: The specific authorization object required for the transaction may not be included in the user's roles. Profile Issues: There may be issues with the user profile or the way roles are configured in the system.
Solution: Check User Roles: Go to transaction SU01 (User Maintenance) and enter the user ID. Check the roles assigned to the user and ensure that the role containing the necessary authorizations for the transaction is included. Review Authorization
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