Fatal error: Uncaught Error: Call to undefined function WC() in /home/customer/www/eastbaydist.com/public_html/wp-content/plugins/product-variation-swatches-for-woocommerce/includes/class-thwvsf.php:78 Stack trace: #0 /home/customer/www/eastbaydist.com/public_html/wp-content/plugins/product-variation-swatches-for-woocommerce/includes/class-thwvsf.php(62): THWVSF->define_constants() #1 /home/customer/www/eastbaydist.com/public_html/wp-includes/class-wp-hook.php(308): THWVSF->init('') #2 /home/customer/www/eastbaydist.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #3 /home/customer/www/eastbaydist.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/customer/www/eastbaydist.com/public_html/wp-settings.php(617): do_action('init') #5 /home/customer/www/eastbaydist.com/public_html/wp-config.php(82): require_once('/home/customer/...') #6 /home/customer/www/eastbaydist.com/public_html/wp-load.php(50): require_once('/home/customer/...') #7 /home/customer/www/eastbaydist.com/public_html/wp-blog-header.php(13): require_once('/home/customer/...') #8 /home/customer/www/eastbaydist.com/public_html/index.php(17): require('/home/customer/...') #9 {main} thrown in /home/customer/www/eastbaydist.com/public_html/wp-content/plugins/product-variation-swatches-for-woocommerce/includes/class-thwvsf.php on line 78