פתחו את ItemsAdder\lang\en.yml (או בשפה שאתם רוצים)
שלב 2
ערכו את ההודעה: resourcepack-popup-message.
resourcepack-popup-message: "&6Welcome &b{player}, &6please accept the resourcepack to enjoy all the amazing features of our server.\n
&aYouneed only to download it only once."
