Server crash railcraft

10:40:22 [SEVERE] net.minecraft.util.ReportedException: Ticking entity
10:40:22 [SEVERE]       at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:826)
10:40:22 [SEVERE]       at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
10:40:22 [SEVERE]       at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
10:40:22 [SEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
10:40:22 [SEVERE]       at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
10:40:22 [SEVERE] Caused by: java.lang.ClassCastException: mods.railcraft.common.carts.EntityCartChest cannot be cast to src.train.common.api.AbstractTrains
10:40:22 [SEVERE]       at src.train.common.blocks.tracks.BlockCouplerTrack.onMinecartPass(BlockCouplerTrack.java:48)
10:40:22 [SEVERE]       at mods.railcraft.common.blocks.tracks.BlockTrack.onMinecartPass(BlockTrack.java:216)
10:40:22 [SEVERE]       at src.train.common.api.EntityRollingStock.func_70071_h_(EntityRollingStock.java:749)
10:40:22 [SEVERE]       at src.train.common.api.Freight.func_70071_h_(Freight.java:55)
10:40:22 [SEVERE]       at net.minecraft.world.World.func_72866_a(World.java:2522)
10:40:22 [SEVERE]       at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:938)
10:40:22 [SEVERE]       at net.minecraft.world.World.func_72870_g(World.java:2475)
10:40:22 [SEVERE]       at net.minecraft.world.World.func_72939_s(World.java:2287)
10:40:22 [SEVERE]       at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:803)
10:40:22 [SEVERE]       at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:820)
10:40:22 [SEVERE]       ... 4 more
10:40:22 [SEVERE] Encountered an unexpected exception ReportedException
net.minecraft.util.ReportedException: Ticking entity
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:826)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassCastException: mods.railcraft.common.carts.EntityCartChest cannot be cast to src.train.common.api.AbstractTrains
        at src.train.common.blocks.tracks.BlockCouplerTrack.onMinecartPass(BlockCouplerTrack.java:48)
        at mods.railcraft.common.blocks.tracks.BlockTrack.onMinecartPass(BlockTrack.java:216)
        at src.train.common.api.EntityRollingStock.func_70071_h_(EntityRollingStock.java:749)
        at src.train.common.api.Freight.func_70071_h_(Freight.java:55)
        at net.minecraft.world.World.func_72866_a(World.java:2522)
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:938)
        at net.minecraft.world.World.func_72870_g(World.java:2475)
        at net.minecraft.world.World.func_72939_s(World.java:2287)
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:803)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:820)
        ... 4 more