SOLMAN_SETUP - Web Page Service cannot be reached - 403 Forbidden

Issue
After the update of SAP Solution Manager System to SAP Solution Manager 7.2 SP 08 solman_setup Tcode Webpage showing "Service cannot be reached" "403 - Forbidden" errors.


Solution

Activate some SICF Services are not activated


    call SICF
    navigate to /default_host/sap/bc/ui5_ui5/sap/
    check and activte service bsp_sise_rm_ui5 for Roadmap
    check and activte service bsp_ags_ui5_doc for Help Text