error

[19:42:06] [Client thread/INFO] [STDOUT/]: [net.minecraft.client.Minecraft:func_71377_b:-1]: ---- Minecraft Crash Report ----
// Don't do that.

Time: 12/01/16 19:42
Description: Unexpected error

java.lang.ClassCastException: com.flansmod.common.driveables.EntityWheel cannot be cast to net.minecraft.entity.EntityLivingBase
	at net.minecraft.client.network.NetHandlerPlayClient.func_147281_a(Unknown Source)
	at net.minecraft.network.play.server.S0FPacketSpawnMob.func_148833_a(SourceFile:97)
	at net.minecraft.network.play.server.S0FPacketSpawnMob.func_148833_a(SourceFile:15)
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
	at net.minecraft.client.multiplayer.PlayerControllerMP.func_78765_e(Unknown Source)
	at net.minecraft.client.Minecraft.func_71407_l(Unknown Source)
	at net.minecraft.client.Minecraft.func_71411_J(Unknown Source)
	at net.minecraft.client.Minecraft.func_99999_d(Unknown Source)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)