Bukkit TPokemonInscriptionPlus - 宝可梦铭文plus版[1.12.2] 1.1

[18:52:54] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'tpi' in plugin TPokemonInscriptionPlus v1.1-SNAPSHOT
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[PluginCommand.class:git-CatServer-1.12.2-2bce5d5]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:146) ~[SimpleCommandMap.class:git-CatServer-1.12.2-2bce5d5]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:710) ~[CraftServer.class:git-CatServer-1.12.2-2bce5d5]
at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:1650) [pa.class:?]