As we can see, your website already has a lot of content and importing our Dummy Content will break some data and configuration. If you want to get some particular page, you can import it manually via Dashboard -> Tools -> Import. XML files for import you can find in the folder inc/dummy-content/.
If you want to get some particular page, we suggest you to import it manually via Dashboard -> Tools -> Import. XML files for import you can find in the folder inc/dummy-content/.