So basically i have this bedwars plugin here https://www.spigotmc.org/resources/bedwars.60456/
And whenever i am setting up an arena and i do the command /bw setlobbywaitschematic when i am setting the bedwars waiting lobby it says internal error occured. Here is the error: https://pastebin.com/PvfbFZhd
and here is the full log: https://mclo.gs/8AkqxN6 any help would be appreciated.