Error message

• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in include() (line 4 of /home/customer/www/moosetrading.com/public_html/sites/all/themes/retailshop/node--product.tpl.php).
• Notice: Trying to access array offset on value of type null in theme_pager_link() (line 632 of /home/customer/www/moosetrading.com/public_html/includes/pager.inc).