Fatal error: Uncaught Error: Call to undefined function is_checkout() in /www/htdocs/w01cbd9a/krokostil.at/wp-content/plugins/woo-payment-discounts/includes/class-woo-payment-add-discounts.php:21
Stack trace:
#0 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/class-wp-hook.php(310): Woo_Payment_Add_Discounts->enqueue_scripts('')
#1 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#2 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#3 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/script-loader.php(2225): do_action('wp_enqueue_scri...')
#4 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/class-wp-hook.php(310): wp_enqueue_scripts('')
#5 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#6 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /www/htdocs/w01cbd9a/krokostil.at/wp-includes/general-template.php(3053): do_action('wp_head')
#8 /ww in /www/htdocs/w01cbd9a/krokostil.at/wp-content/plugins/woo-payment-discounts/includes/class-woo-payment-add-discounts.php on line 21