Warning: Trying to access array offset on value of type bool in /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/theme.php on line 2241

Fatal error: Uncaught Error: Call to undefined function addslashes_gpc() in /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/class-wp-query.php:2163
Stack trace:
#0 /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/class-wp-query.php(3225): WP_Query->get_posts()
#1 /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/post.php(1763): WP_Query->query(Array)
#2 /customers/3/2/1/claremontvintage.com/httpd.www/wp-content/plugins/bbpowerpack/modules/pp-modal-box/pp-modal-box.php(41): get_posts(Array)
#3 /customers/3/2/1/claremontvintage.com/httpd.www/wp-content/plugins/bbpowerpack/modules/pp-modal-box/pp-modal-box.php(278): PPModalBoxModule::get_saved_templates()
#4 /customers/3/2/1/claremontvintage.com/httpd.www/wp-content/plugins/bbpowerpack/includes/modules.php(116): require_once('/customers/3/2/...')
#5 /customers/3/2/1/claremontvintage.com/httpd.www/wp-content/plugins/bbpowerpack/bb-powerpack.php(169): require_once('/customers/3/2/...')
#6 /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/class-wp-hook.php(286): BB_PowerPack->load_modules('')
#7 /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#8 /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#9 /customers/3/2/1/claremontvintage.com/httpd.www/wp-settings.php(447): do_action('init')
#10 /customers/3/2/1/claremontvintage.com/httpd.www/wp-config.php(107): require_once('/customers/3/2/...')
#11 /customers/3/2/1/claremontvintage.com/httpd.www/wp-load.php(37): require_once('/customers/3/2/...')
#12 /customers/3/2/1/claremontvintage.com/httpd.www/wp-blog-header.php(13): require_once('/customers/3/2/...')
#13 /customers/3/2/1/claremontvintage.com/httpd.www/index.php(17): require('/customers/3/2/...')
#14 {main}
  thrown in /customers/3/2/1/claremontvintage.com/httpd.www/wp-includes/class-wp-query.php on line 2163