Please read the release thread for 1.15.2. The answer is in the original post. https://www.spigotmc.org/threads/spigot-bungeecord-1-15-2.414068/
In the startup script you use to start the server, include --nogui. It's exampled on the main page. Example: Code (Text): @echo off java -Xms1G -Xmx1G -XX:+UseConcMarkSweepGC -jar spigot-1.15.2.jar --nogui pause Edit: sniped ):