Console message of ItemJoin error

17.02 20:45:50 [Server] WARN Unexpected exception while parsing console command "itemjoin"
17.02 20:45:50 [Server] INFO org.bukkit.command.CommandException: Cannot execute command 'itemjoin' in plugin ItemJoin v5.0.5-RELEASE-b324 - plugin is disabled.
17.02 20:45:50 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:36) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:152) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchServerCommand(CraftServer.java:648) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at net.minecraft.server.v1_12_R1.DedicatedServer.aP(DedicatedServer.java:463) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:424) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1617]
17.02 20:45:50 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]