shortcoder not working on wordpress 4.4

Hi

I followed steps as below after upgrading to wordpress 4.4

Updated wp_content\themes\{active_theme}\functions.php

with

function sc_replacecolon( $content ){ return str_replace( ‘[sc:’, ‘[sc name=’, $content ); }
add_filter( ‘the_content’, ‘sc_replacecolon’, 5 );

but still getting error on website https://www.penneybook.com/

https://www.ads-software.com/plugins/shortcoder/

[ No bumping please. ]