scrnd on "[Plugin: KaTracker] 500 internal server error"

when i´m install the plugin this happen in "Torrents" apart
https://dl.dropboxusercontent.com/u/94280933/Tracker/internal%20error.png
and when i´m tried load a image on a post, never charge the galery
https://dl.dropboxusercontent.com/u/94280933/Tracker/gallery.png
thanks for the plugin, but are you have any solution for those problems?

https://wordpress.org/plugins/katracker/