When enabling the spaces and pages feature of Fiori launchpad, you are unable to find the application Manage Launchpad Pages.
S/4HANA Cloud 2005+
The Business Catalog SAP_CORE_BC_UI_FLD is new to the administrator role, and the change to the role is not applied.
For template derived roles:
In the application Manage Business Roles, a comparison must be performed on the role SAP_BR_ADMINISTRATOR so that the new business catalog SAP_CORE_BC_UI_FLD will be included.
You need to add the new business catalog SAP_CORE_BC_UI_FLD to your Administrator role.
SAP Note 2907483 - New SAP Fiori launchpad Layout with Spaces and Pages
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KBA , CA-FLP-ABA , SAP Fiori Launchpad ABAP Services , CA-FLP-FE-UI , SAP Fiori Launchpad User Interface , Problem