Thanks for the reply. 

Here's the outcome:

1) On Step 1-3, the sc_cat_item is already activated (dated: 2023-05-09 16:39:35)

 2) For Step 4, I pasted "https://<my_instance>/sp?id=sc_cat_item&table=sc_cat_item&sys_id=e7b1e1298798755035cf4266cebb35e9" at FireFox browser's URL and it still displays the error message:  

 I'm still searching for other ways to make this to redirect to the login and SSO. Thanks again.