Message type: E = Error
Message class:  RU - Messages for order completion confirmation 
Message number: 124
Message text: You have no authorization for Transaction &
According to your user master record, you do not have the authorization
to call up the transaction.
Contact your systems administrator for the authorization.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message RU124 indicates that a user does not have the necessary authorization to execute a specific transaction. This is a common issue in SAP systems, where access control is managed through roles and authorizations.
Cause: Missing Authorization: The user does not have the required authorization object assigned to their user profile for the specific transaction. Role Assignment: The user may not be assigned the correct role that includes the necessary authorizations for the transaction. Authorization Object: The authorization object related to the transaction may not be properly configured or may be missing the necessary values. Profile Issues: The user’s profile may not be updated or may have been changed, leading to the loss of access to certain transactions.
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 required authorization for the transaction is included. Review Authorization Objects: Use
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