Web crash because of your plugin

today my website crashed because of your plugin

Deprecated: Creation of dynamic property Wc_Smart_Cod_Public::$cod_settings is deprecated in?/home/html/vitoshoecare.cz/public_html/www/wp-content/plugins/wc-smart-cod/public/class-wc-smart-cod-public.php?on line?58

Deprecated: Creation of dynamic property Wc_Smart_Cod_Public::$nocharge_amount_mode is deprecated in /home/html/vitoshoecare.cz/public_html/www/wp-content/plugins/wc-smart-cod/public/class-wc-smart-cod-public.php on line 62

Deprecated: Creation of dynamic property Wc_Smart_Cod_Public::$settings_analyzed is deprecated in /home/html/vitoshoecare.cz/public_html/www/wp-content/plugins/wc-smart-cod/public/class-wc-smart-cod-public.php on line 61

Deprecated: Creation of dynamic property Wc_Smart_Cod_Public::$cart_products is deprecated in /home/html/vitoshoecare.cz/public_html/www/wp-content/plugins/wc-smart-cod/public/class-wc-smart-cod-public.php on line 60

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