Error message

• Notice: Only variables should be passed by reference in include() (line 112 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Only variables should be passed by reference in include() (line 124 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Only variables should be passed by reference in include() (line 162 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Undefined variable: link_about_company_name in include() (line 210 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Undefined variable: link_about_company_name in include() (line 219 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Undefined index: preface_first in include() (line 318 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Undefined index: preface_middle in include() (line 318 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Undefined index: preface_last in include() (line 318 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Only variables should be passed by reference in include() (line 390 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• Notice: Only variables should be passed by reference in include() (line 397 of /var/www/kc7/sites/all/themes/911/templates/page.tpl.php).
• User warning: The following module is missing from the file system: memcache. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1156 of /var/www/kc7/includes/bootstrap.inc).
• User warning: The following module is missing from the file system: memcache_admin. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1156 of /var/www/kc7/includes/bootstrap.inc).
• Notice: A session had already been started - ignoring session_start() in multistep_form() (line 307 of /var/www/kc7/sites/all/modules/multistep_form/multistep_form.module).
• Notice: Trying to get property of non-object in nine_one_one_preprocess_page() (line 213 of /var/www/kc7/sites/all/themes/911/template.php).