12.12 16:48:39 [Server] WARN Unexpected exception while parsing console command "loginstaff"
12.12 16:48:39 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing 'loginstaff' in   ​‌  .    ​‍(loginstaff)
12.12 16:48:39 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:150) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:629) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:416) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:379) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
12.12 16:48:39 [Server] INFO Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.command.ColouredConsoleSender cannot be cast to org.bukkit.entity.Player
12.12 16:48:39 [Server] INFO at   ​‌  .    ​‍.execute(Unknown Source) ~[?:?]
12.12 16:48:39 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:143) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
12.12 16:48:39 [Server] INFO ... 7 more