How To Fix CMS043 - The key selected is reserved for the customer

CMS043 - Overview

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 043

• Message text: The key selected is reserved for the customer

What causes this issue?

You tried to add a new entry and in doing so, used a key value that
lies ouside of the namespace you manage.
This may lead to problems in future upgrades.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your entry and if possible, enter a key value from within the
namespace you manage.
In the case of content repositories, all two-character names and all
names beginning with Y or Z are reserved for customers.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS043 - The key selected is reserved for the customer ?

  The SAP error message CMS043, which states "The key selected is reserved for the customer," typically occurs in the context of SAP Customer Management or SAP CRM when a user attempts to access or use a key (such as a customer number or a specific identifier) that has been reserved for a particular customer or is otherwise restricted.
  
  Cause:
  
  Key Reservation: The key you are trying to use is reserved for a specific customer, meaning it cannot be used for other purposes or by other users.
  Configuration Settings: The system may be configured to reserve certain keys for specific customers to prevent conflicts or data integrity issues.
  User Permissions: The user may not have the necessary permissions to access or use the reserved key.
  Data Entry Error: There may be a mistake in the data entry, leading to the selection of a reserved key inadvertently.
  
  
  Solution:
  
  Check Key Reservation: Verify if the key you are trying to