Ítems NO show, thanks

Hello, in past days I buy this template in Themeforest
http://themeforest.net/item/construct-multipurpose-wordpress-theme/2979247?sso?WT.ac=search_item&WT.seg_1=search_item&WT.z_author=squidix

I am using and have Optiontree for change options, but when I need see a select options in drop-down list and no working, the selected item is hide always, I like me know is I can some solution for fix this

Thanks for support

(I send a email to author theme… but I no get answer, thanks)

http://wordpress.org/extend/plugins/option-tree/