OITC Fehler

[21:25:35 WARN]: [OITC] Task #724974 for OITC v3.2 generated an exception
java.lang.NoClassDefFoundError: net/minecraft/server/v1_7_R4/PacketPlayInClientCommand
        at me.artish1.OITC.Listeners.GameListener$2.run(GameListener.java:149) ~[?:?]
        at org.bukkit.craftbukkit.v1_7_R2.scheduler.CraftTask.run(CraftTask.java:58) ~[spigot.jar:git-Spigot-1387]
        at org.bukkit.craftbukkit.v1_7_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [spigot.jar:git-Spigot-1387]
        at net.minecraft.server.v1_7_R2.MinecraftServer.v(MinecraftServer.java:620) [spigot.jar:git-Spigot-1387]
        at net.minecraft.server.v1_7_R2.DedicatedServer.v(DedicatedServer.java:273) [spigot.jar:git-Spigot-1387]
        at net.minecraft.server.v1_7_R2.MinecraftServer.u(MinecraftServer.java:568) [spigot.jar:git-Spigot-1387]
        at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:474) [spigot.jar:git-Spigot-1387]
        at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [spigot.jar:git-Spigot-1387]