Помогите Ae2stuff крашит сервер как пофиксить?

Description: Ticking block entity

java.lang.NoClassDefFoundError: appeng/core/WorldSettings
at net.bdew.ae2stuff.grid.GridTile$$anonfun$1.apply$mcV$sp(GridTile.scala:37)
at net.bdew.lib.Event0$$anonfun$trigger$1.apply(Event.scala:19)
at net.bdew.lib.Event0$$anonfun$trigger$1.apply(Event.scala:19)
at scala.collection.immutable.List.foreach(List.scala:383)
at net.bdew.lib.Event0.trigger(Event.scala:19)
at net.bdew.lib.tile.TileExtended.func_145845_h(TileExtended.scala:63)
at net.minecraft.world.World.func_72939_s(World.java:1939)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.ClassNotFoundException: appeng.core.WorldSettings
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 13 more
Caused by: java.lang.ArrayIndexOutOfBoundsException