How To Fix S#018 - You are not authorized to perform this activity

SAP Error Message - Details

• Message type: E = Error

• Message class: S# -

• Message number: 018

• Message text: You are not authorized to perform this activity

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message S#018 - You are not authorized to perform this activity ?

  The SAP error message S#018, which states "You are not authorized to perform this activity," typically indicates that the user does not have the necessary permissions to execute a specific transaction or access a certain function within the SAP system. This is a common issue in environments where security and access control are strictly enforced.
  Causes:
  
  Missing Authorization Roles: The user may not have been assigned the appropriate roles that grant access to the required transaction or activity.
  Authorization Object Restrictions: Even if a user has a role, specific authorization objects within that role may not be granted, leading to restricted access.
  Profile Issues: The user’s profile may not include the necessary authorizations due to misconfiguration or changes in the system.
  Transaction Restrictions: Certain transactions may be restricted based on user groups or organizational units.
  Changes in Security Policies: Recent changes in security policies or role definitions may have inadvertently removed access.
  
  Solutions:
  
  Check User Roles: Verify that the user has the correct roles assigned. This can be done by checking the user’s profile in transaction SU01 (User Maintenance).
  Review Authorization Objects: Use transaction SU53 (Authorization Check) immediately after encountering the error to see which authorization objects are missing. This will provide insight into what specific permissions are lacking.
  Consult with Security Team: If you do not have the necessary access to modify roles or authorizations, contact your SAP security team or administrator to request the required permissions.
  Role Adjustment: If the user needs access to a specific transaction, the security team may need to adjust the roles or create a new role that includes the necessary authorizations.
  Testing: After changes are made, have the user log out and back in to ensure that the new authorizations take effect.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU53: Display Authorization Check
  PFCG: Role Maintenance
  
  
  Documentation: Refer to SAP documentation or internal guidelines on user roles and authorizations for more detailed procedures on managing user access.
  Audit Logs: Check audit logs for any recent changes to user roles or authorizations that may have led to this issue.
  
  By following these steps, you should be able to identify the cause of the S#018 error and implement a solution to restore the necessary access for the user.