I get an Internet error message "403 Forbidden" when clicking on the SPRO Define Business Rules for Output determination.
https://s4hana.testing.com:44320/sap/bc/webdynpro/sap/apoc_wd_brf_dec_tab_maintain?sap-language=EN&sap-client=100
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https://s4hana.testing.com:44320/sap/bc/webdynpro/sap/apoc_wd_brf_dec_tab_maintain?sap-language=EN&sap-client=100
This error was due to technical Fiori issue. Service is activated now.
Please check and confirm