[v1.25.2] Uncaught Error: Call to undefined function edd_is_checkout()

Hello,

I’m gettin the following error with the newest version 1.25.2 and WordPress 5.4.

Fatal error: Uncaught Error: Call to undefined function edd_is_checkout() in /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-content/plugins/edd-quaderno/includes/scripts.php:27 Stack trace: #0 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/class-wp-hook.php(287): edd_quaderno_load_scripts(”) #1 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #3 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/script-loader.php(2294): do_action(‘wp_enqueue_scri…’) #4 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/class-wp-hook.php(287): wp_enqueue_scripts(”) #5 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #6 /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-includes/plugin.php(478): in /var/www/vhosts/bitsch-dev.de/123123.bitsch-dev.de/wp-content/plugins/edd-quaderno/includes/scripts.php on line 27