Error message

Notice: Only variables should be passed by reference in include() (line 110 of /home/ctdwebde/exploringwine/sites/all/themes/custom/exploringwine/templates/node/node--gadget-review.tpl.php).
Notice: Undefined variable: field_tags in include() (line 123 of /home/ctdwebde/exploringwine/sites/all/themes/custom/exploringwine/templates/node/node--gadget-review.tpl.php).
Notice: Undefined variable: links in include() (line 124 of /home/ctdwebde/exploringwine/sites/all/themes/custom/exploringwine/templates/node/node--gadget-review.tpl.php).