This snippet is used on the following knowledge base article - http://kb.wpbeaverbuilder.com/article/582-integrate-sensei-with-the-beaver-builder-theme

integrate-sensei-with-bbtheme.php

<?php // Do not copy this line, start with line 3 

// Sensei unhook
global $woothemes_sensei;
remove_action( 'sensei_before_main_content', array( $woothemes_sensei->frontend, 'sensei_output_content_wrapper' ), 10 );
remove_action( 'sensei_after_main_content', array( $woothemes_sensei->frontend, 'sensei_output_content_wrapper_end' ), 10 );

add_action('sensei_before_main_content', 'my_theme_wrapper_start', 10);
add_action('sensei_after_main_content', 'my_theme_wrapper_end', 10);

function my_theme_wrapper_start() {
  echo '<div class="fl-content-full container">
    <div class="row">
        <div class="fl-content fl-content-left col-md-8">';
}

function my_theme_wrapper_end() {
  echo '</div>';
    get_sidebar();
  echo "</div>
  </div>";
}

add_action( 'after_setup_theme', 'declare_sensei_support' );
function declare_sensei_support() {
    add_theme_support( 'sensei' );
}

Hey guys, I placed the code at the end of the file , cleared all cache (client and server side) but didn't work. Am I missing something?