org.bukkit.command.CommandException: Cannot execute command 'co' in plugin CoreProtect v2.15.0 - plugin is disabled
.
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:36) ~[server.jar:git-Bukkit-e60fc34]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[server.jar:git-Bukkit-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:628) ~[server.jar:git-Bukki
t-e60fc34]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1340) [server.jar:git
-Bukkit-e60fc34]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1200) [server.jar:git-Bukkit-e60f
c34]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(SourceFile:37) [server.jar:git-Bukkit-e60fc34]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(SourceFile:9) [server.jar:git-Bukkit-e60fc34]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Bukkit-e60fc34]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_232]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_232]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [server.jar:git-Bukkit-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:696) [server.jar:git-Bukkit-e60fc34
]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:371) [server.jar:git-Bukkit-e60fc34
]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:651) [server.jar:git-Bukkit-e60fc34
]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:555) [server.jar:git-Bukkit-e60fc
34]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]

라고 뜨면서 작동하지 않는데 혹시 같은 문제 겪어보신 분 계신가요?

craftbuckit 쓰고 구글 클라우드 상에서 돌아갑니다ㅠㅠ