Fatal error: Uncaught Error: Undefined constant "WC_VERSION" in /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-content/plugins/woocommerce-multiple-customer-addresses/classes/frontend/WCMCA_CheckoutPage.php:24
Stack trace:
#0 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-includes/class-wp-hook.php(324): WCMCA_CheckoutPage->init('')
#1 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#2 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#3 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-settings.php(550): do_action('plugins_loaded')
#4 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-config.php(88): require_once('/data01/virt128...')
#5 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-load.php(50): require_once('/data01/virt128...')
#6 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-blog-header.php(13): require_once('/data01/virt128...')
#7 /data01/virt128112/domeenid/www.mixpack.ee/htdocs/index.php(17): require('/data01/virt128...')
#8 {main}
thrown in /data01/virt128112/domeenid/www.mixpack.ee/htdocs/wp-content/plugins/woocommerce-multiple-customer-addresses/classes/frontend/WCMCA_CheckoutPage.php on line 24