Fatal error line showing on contact page

Hi,

This is our contact page.

https://www.kjzrradio.com/contact-us/

Can anyone suggest how to remove this line from the page?

Fatal error: Call to undefined function get_images() in /data/19/1/56/51/1871703/user/2033523/htdocs/www/wp-content/themes/default/page.php on line 921

Thank you.