Fresh install warning

[Guest]

I just installed a template from template-help.com and they have yet to respond to my question (go figure)

 

after the install I am getting a warning:

Warning: Missing argument 2 for tep_show_category() in /home/content/m/d/o/mdogbarky/html/osc/includes/boxes/categories.php on line 13

 

it shows up in the categories section of the webpage:

 

http://www.rapidfiremedia.com

thanks for any suggestions!