Problems with Wiki plugin

Hi!

I am using a Wiki plugin from WPMU DEV, but I could not specify it for some reason in the topic of this support topic.
I have a problem with the plugin, after I installed a new theme, the list of wiki's remained, but if I click the links, a 404 error page come out, saying that there the page was not found. In the wiki plugin all the articles are there.

Best regards,
Aydar