Magetno 2: Theme Configuration Goes To 404 After Save

Question

I'm using Magento 2.3.5, I'm scratching my head for a couple of days, the issue is when I go to Theme Configuration, do any changes and hit Save Configuration, the page goes to 404 error: Page not found.. Like This:

**Please help me out with this one.**

Answer 1

I had this issues few months back and after searching on google I found: Design Configuration Not Saving showing 404 page on sub-directory

And it works fine for me. Hope this helps!