You asked for 1 a variable that doesnt exist. Backtrace:

#0  rsgGallery->get(id) called at [/home/pixelmo/public_html/northst/administrator/components/com_rsgallery2/includes/gallery.class.php:242]
#1  rsgGallery->rsgGallery() called at [/home/pixelmo/public_html/northst/administrator/components/com_rsgallery2/includes/gallery.class.php:140]
#2  rsgGalleryManager::_get(3) called at [/home/pixelmo/public_html/northst/administrator/components/com_rsgallery2/includes/gallery.class.php:29]
#3  rsgGalleryManager::get(3) called at [/home/pixelmo/public_html/northst/components/com_rsgallery2/rsgallery2.php:174]
#4  showImageInline() called at [/home/pixelmo/public_html/northst/components/com_rsgallery2/rsgallery2.php:67]
#5  require_once(/home/pixelmo/public_html/northst/components/com_rsgallery2/rsgallery2.php) called at [/home/pixelmo/public_html/northst/index.php:235]