404 page not found after perlink changed


because of seo reason I changed the permalink structure of my page. For the blog posts I added the slug /artikel/ in front of the blog post.

When I tested my site, klicking on the videos in All-in-one-video ended up in page not found.

The video is hosted on vimeo with access public. The access to the videos had functioned before.

Can you please help me



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