WP Pricing! Woocommerce Stack Trace

# Used with wp-cli http://wp-cli.org/
$ wp plugin activate x-under-construction --url=foobarsite.com
PHP Fatal error:  Uncaught Error: Call to a member function get_option() on null in /wordpressrootdir/wp-content/plugins/woocommerce-time-based-pricing/classes/frontend/WCTBP_ShopPage.php:14
Stack trace:
#0 /wordpressrootdir/wp-includes/class-wp-hook.php(298): WCTBP_ShopPage->init('')
#1 /wordpressrootdir/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array)
#2 /wordpressrootdir/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#3 /wordpressrootdir/wp-settings.php(449): do_action('init')
#4 phar:///usr/local/bin/wp/php/WP_CLI/Runner.php(1008): require('/var/www/user/w...')
#5 phar:///usr/local/bin/wp/php/WP_CLI/Runner.php(945): WP_CLI\Runner->load_wordpress()
#6 phar:///usr/local/bin/wp/php/wp-cli.php(21): WP_CLI\Runner->start()
#7 phar:///usr/local/bin/wp/php/boot-phar.php(5): include('phar:///usr/loc...')
#8 /usr/local/bin/wp(4): include('phar:///usr/loc...')
#9 {main}
  thrown in /wordpressrootdir/wp-content/plugins/woocommerce-time-based-pricing/classes/frontend/WCTBP_ShopPage.php on line 14
Fatal error: Uncaught Error: Call to a member function get_option() on null in /wordpressrootdir/wp-content/plugins/woocommerce-time-based-pricing/classes/frontend/WCTBP_ShopPage.php:14
Stack trace:
#0 /wordpressrootdir/wp-includes/class-wp-hook.php(298): WCTBP_ShopPage->init('')
#1 /wordpressrootdir/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array)
#2 /wordpressrootdir/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#3 /wordpressrootdir/wp-settings.php(449): do_action('init')
#4 phar:///usr/local/bin/wp/php/WP_CLI/Runner.php(1008): require('/var/www/user/w...')
#5 phar:///usr/local/bin/wp/php/WP_CLI/Runner.php(945): WP_CLI\Runner->load_wordpress()
#6 phar:///usr/local/bin/wp/php/wp-cli.php(21): WP_CLI\Runner->start()
#7 phar:///usr/local/bin/wp/php/boot-phar.php(5): include('phar:///usr/loc...')
#8 /usr/local/bin/wp(4): include('phar:///usr/loc...')
#9 {main}
  thrown in /wordpressrootdir/wp-content/plugins/woocommerce-time-based-pricing/classes/frontend/WCTBP_ShopPage.php on line 14