can't do it

Hello
I load a theme correctly (I think) but here is what I get when I try to view the store:
Notice: Undefined variable: custom_metatags in /home/sites/gadgetmaster.org/public_html/catalog/view/theme/sline/template/common/header.tpl on line 17 Notice: Undefined variable: social in /home/sites/gadgetmaster.org/public_html/catalog/view/theme/sline/template/common/header.tpl on line 68Notice: Undefined variable: social in /home/sites/gadgetmaster.org/public_html/catalog/view/theme/sline/template/common/header.tpl on line 68Notice: Undefined variable: social in /home/sites/gadgetmaster.org/public_html/catalog/view/theme/sline/template/common/header.tpl on line 68

Here are the lines from the file, but I am lost: can anyone advise please?

line 17: <?php if($custom_metatags != ''): ?>

line 68: <?php if($social['facebook'] != '' || $social['twitter'] != '' || $social['googleplus'] != '' ): ?>

Thanks in advance for anyone who can help

The problem is with the template you buyed..You should contact the developer or try to install the modules that came with the template..