[Plugin: WP-SimplyHired API] Can see the jobs but cant click the pages

Hi!
When i click next page in my job list it comes back(redirect back) to the 1st list.

Also can i make more categories with one site.

http://foundedjobs.com/part-time-jobs/geothermal-production-managers/

http://wordpress.org/extend/plugins/wp-simplyhired-api/