Symptom
The business catalog SAP_CORE_BC_OM_ET is available only in the Development - Customizing system, but is missing in other environments such as the Development tenant, Test system, and Production system.
Environment
SAP S/4HANA Cloud Public Edition
Cause
Wrong tenant/system is being used to access Key User Extensibility apps.
Resolution
The business catalog SAP_CORE_BC_OM_ET is intended for Key Users to perform Output Management tasks, such as creating and maintaining email templates via the "Maintain Email Templates" application.
This catalog is part of the Key User Extensibility scope, which is restricted to specific environments based on the system landscape:
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In a 2-System Landscape, Key User Extensibility is available only in the Test/Quality System.
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In a 3-System Landscape, it is available only in the Customizing Tenant (client 100) of the Development system.
As a result, the business catalog SAP_CORE_BC_OM_ET is not available in the Production system or in other non-customizing tenants, by design.
See Also
For a detailed comparison between the Customizing Tenant and the Development Tenant, refer to the following blog:
Extensibility in the Development System of a 3-System Landscape
Keywords
SAP_CORE_BC_OM_ET, business catalog, output management, maintain email templates, customizing tenant, development tenant, SAP S/4HANA Cloud Public Edition, identity and access management, user role, key user, extensibility, BC-SRV-COM-OM, Maintain Email Templates , KBA , BC-SRV-APS-IAM , Identity and Access Management , BC-SRV-COM-OM , Output Management: Email Templates , Problem