Wrong permalink structure when updated

Hi,

I have always been using Zerif and then I upgraded to Neve (free).

I love the theme!

But there is one thing I cannot solve. I would like to change the permalink structure of my website. For example from https://www.marcofilocamo.it/calcolo-iva-excel/ to https://www.marcofilocamo.it/blog/calcolo-iva-excel/ , this is a change I would like to have on all my posts.

I did the following:

– Went to Settings -> Permalinks

– Changed the structure from “Article Name” to “blog/%postname%/”

– Set up a link of redirects from the plugin Redirection

and I thought I was good.

At first, I thought the problem was Redirection but it’s not.

Apparently, this permalink’s change only impacts the latest articles. My theory is that it impacts only the ones I created with Neve and not the ones I created before, when I was using other themes. Moreover, I cannot edit the permalinks of those older articles when I try to because they are stuck (if I open the blog post, I cannot see the edit button on the right).

So my question is: how can I change all the articles permalinks? As if I try to add the “blog/” it becomes “blog-” and I don’t want that.

Thank you very much in advance for your help, I feel stuck and since I would like to change the structure of my website this is of great importance to me.

The page I need help with: [log in to see the link]