Помогите При выходе из торгового автомата - краш!

Помогите, при выходе из торгового автомата крашается сервер.
В этом не разбираюсь, пишите простым языком =)

> 19:54:40 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/integrated/IntegratedServer
> 19:54:40 [SEVERE] at ic2.core.block.personal.TileEntityTradeOMat.permitsAccess(TileEntityTradeOMat.java:241)
> 19:54:40 [SEVERE] at ic2.core.block.personal.TileEntityTradeOMat.getGuiContainer(TileEntityTradeOMat.java:264)
> 19:54:40 [SEVERE] at ic2.core.Platform.launchGui(Platform.java:65)
> 19:54:40 [SEVERE] at ic2.core.block.BlockMultiID.func_71903_a(BlockMultiID.java:229)
> 19:54:40 [SEVERE] at ic2.core.block.personal.BlockPersonal.func_71903_a(BlockPersonal.java:136)
> 19:54:40 [SEVERE] at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:585)
> 19:54:40 [SEVERE] at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:875)
> 19:54:40 [SEVERE] at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
> 19:54:40 [SEVERE] at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
> 19:54:40 [SEVERE] at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:223)
> 19:54:40 [SEVERE] at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
> 19:54:40 [SEVERE] at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
> 19:54:40 [SEVERE] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:865)
> 19:54:40 [SEVERE] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
> 19:54:40 [SEVERE] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:732)
> 19:54:40 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:614)
> 19:54:40 [SEVERE] at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
> 19:54:40 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.integrated.IntegratedServer
> 19:54:40 [SEVERE] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:273)
> 19:54:40 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 19:54:40 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 19:54:40 [SEVERE] ... 17 more
> 19:54:40 [SEVERE] Caused by: java.lang.RuntimeException: Attempted to load class bjg for invalid side SERVER
> 19:54:40 [SEVERE] at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
> 19:54:40 [SEVERE] at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:387)
> 19:54:40 [SEVERE] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:260)
> 19:54:40 [SEVERE] ... 19 more
> 19:54:40 [SEVERE] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: net/minecraft/server/integrated/IntegratedServer
at ic2.core.block.personal.TileEntityTradeOMat.permitsAccess(TileEntityTradeOMat.java:241)
at ic2.core.block.personal.TileEntityTradeOMat.getGuiContainer(TileEntityTradeOMat.java:264)
at ic2.core.Platform.launchGui(Platform.java:65)
at ic2.core.block.BlockMultiID.func_71903_a(BlockMultiID.java:229)
at ic2.core.block.personal.BlockPersonal.func_71903_a(BlockPersonal.java:136)
at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:585)
at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:875)
at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:223)
at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:865)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:732)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:614)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.integrated.IntegratedServer
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:273)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 17 more
Caused by: java.lang.RuntimeException: Attempted to load class bjg for invalid side SERVER
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:387)
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:260)
... 19 more
> 19:54:40 [SEVERE] This crash report has been saved to: /home/container/./crash-reports/crash-2018-07-21_19.54.40-server.txt