Great Plugin Игорь Тронь but there is programming issues.

Hey Игорь Тронь,

this is great plugin but there is issues and i could not ignore it so i had to deactivate this plugin.

its only a warning but still. please let me know when you have released an update.

Notice Use of undefined constant WCDI – assumed ‘WCDI’ 1 wp-content/plugins/default-product-image-for-woocommerce/woocommerce-default-image.php:13