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Even when I have downloaded the complete demo, there are some functionalities such as store links that do not work for me locally. Error 404
Attached files: Error.png
Would you mind providing us with Wordpress login credentials so we can take a closer look?
My site is local. in my computer. I have not published it.
It seems the problem come from slug format. You can try go to Settings > Permalinks > select Post Name type then check again.
If possible, you can upload the site to a live domain so we can help better.