Wiki front-end editor issue - theme perhaps.

I am currently having an issue with setting up the Wiki plugin for my site, the plan is to allow the community to have a direct involvement in the life of this site by creating user content.

I am however having difficulty with how the wiki is present in the "Create new" "Edit" pages on the front end. This is how it looks via public and via logged in (yet not in the admin editor).

I fear it may be an issue with the theme, but it was stated to be able to work with every theme... What is happening?