Fatal error: Uncaught Error: Undefined class constant 'CLASSIC' in /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-content/plugins/woo-mailerlite/includes/functions.php:1513 Stack trace: #0 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-includes/class-wp-hook.php(308): mailerlite_universal_woo_commerce() #1 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #2 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-includes/plugin.php(517): WP_Hook->do_action() #3 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-includes/general-template.php(3043): do_action() #4 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-content/themes/kadence/header.php(24): wp_head() #5 /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-includes/template.php(783): requir in /home/platne/serwer151298/public_html/autoinstalator/dekodeko.pl/wordpress4767/wp-content/plugins/woo-mailerlite/includes/functions.php on line 1513