[Plugin: Polaroid Gallery] Fatal Error

I’ve installed and activated this plugin and I am getting this error message on my website. (chelseabistuephotography.com). I am stumped as to why I am getting this error. Any help would be appreciated….

Fatal error: Call to undefined function fxpolaroidgallery_echo_embed_code() in /home/content/42/9485642/html/wp-content/themes/fotografia/index.php on line 47

https://www.ads-software.com/extend/plugins/polaroid-gallery/