How To Fix CMS018 - You are not allowed to change cross-client Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 018

• Message text: You are not allowed to change cross-client Customizing

What causes this issue?

Changing client-independent Customizing objects is not allowed in your
logon client.

System Response

The function was cancelled.

How to fix this error?

If you still want to make the changes, contact your system
administration, who can assign you a user in a client in which you can
make the changes.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS018 - You are not allowed to change cross-client Customizing ?

  The SAP error message CMS018, which states "You are not allowed to change cross-client Customizing," typically occurs when a user attempts to make changes to cross-client customizing settings without having the necessary authorizations. Cross-client customizing refers to settings that apply across all clients in an SAP system, and these settings are usually managed in the client 000 or in a specific client that is designated for configuration.
  Cause:
  
  Authorization Issues: The user does not have the required authorizations to make changes to cross-client customizing settings.
  Client-Specific Restrictions: The user may be logged into a client that does not allow changes to cross-client settings.
  System Configuration: The system may be configured to restrict changes to certain users or roles.
  
  Solution:
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to perform cross-client customizing changes. This can be done by checking the user's roles and authorizations in transaction SU01 or PFCG.
  Ensure that the user has the appropriate authorization objects, such as S_CUS_CRM or S_CUS_ACT, which are related to customizing activities.
  
  
  
  Log into the Correct Client:
  
  Ensure that you are logged into the correct client (usually client 000 for cross-client customizing). If you are in a different client, switch to the appropriate one.
  
  
  
  Consult with Basis or Security Team:
  
  If you do not have the necessary authorizations, contact your SAP Basis or Security team to request the required access or to understand the restrictions in place.
  
  
  
  Use Transport Requests:
  
  If you need to make changes that are not allowed directly, consider using transport requests to move changes from a development environment to a production environment, if applicable.
  
  
  
  Review System Configuration:
  
  Check if there are any specific configurations or settings in the system that restrict changes to cross-client customizing.
  
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to customizing include SPRO (SAP Project Reference Object) for accessing the customizing settings.
  Authorization Objects: Familiarize yourself with the relevant authorization objects that control access to customizing activities.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  
  By following these steps, you should be able to identify the cause of the CMS018 error and take appropriate action to resolve it.