+Traced problem to commit 4711812

-- Minecra-ft Crash Report ----
// Ouch. That hurt :(

Time: 19/08/18 2:34 PM
Description: Ticking entity

io.netty.handler.codec.EncoderException: java.lang.ClassCastException: java.lang.Float cannot be cast to java.lang.Integer
at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107)
at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116)
at io.netty.channel.DefaultChannelHandlerContext.invokeWrite(DefaultChannelHandlerContext.java:644)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:698)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:637)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:626)
at io.netty.channel.DefaultChannelPipeline.write(DefaultChannelPipeline.java:878)
at io.netty.channel.AbstractChannel.write(AbstractChannel.java:229)
at io.netty.channel.embedded.EmbeddedChannel.writeOutbound(EmbeddedChannel.java:195)
at cpw.mods.fml.common.network.FMLEmbeddedChannel.generatePacketFrom(FMLEmbeddedChannel.java:48)
at cpw.mods.fml.common.network.internal.FMLNetworkHandler.getEntitySpawningPacket(FMLNetworkHandler.java:123)
at net.minecraft.entity.EntityTrackerEntry.func_151260_c(EntityTrackerEntry.java:471)
at net.minecraft.entity.EntityTrackerEntry.func_73117_b(EntityTrackerEntry.java:359)
at net.minecraft.entity.EntityTracker.func_85172_a(EntityTracker.java:336)
at net.minecraft.entity.player.EntityPlayerMP.func_70071_h_(EntityPlayerMP.java:284)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
at net.minecraft.world.World.func_72870_g(World.java:2034)
at net.minecraft.world.World.func_72939_s(World.java:1887)
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:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.ClassCastException: java.lang.Float cannot be cast to java.lang.Integer
at net.minecraft.entity.DataWatcher.func_151510_a(SourceFile:223)
at net.minecraft.entity.DataWatcher.func_151509_a(SourceFile:186)
at cpw.mods.fml.common.network.internal.FMLMessage$EntitySpawnMessage.toBytes(FMLMessage.java:197)
at cpw.mods.fml.common.network.internal.FMLRuntimeCodec.encodeInto(FMLRuntimeCodec.java:22)
at cpw.mods.fml.common.network.internal.FMLRuntimeCodec.encodeInto(FMLRuntimeCodec.java:11)
at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.encode(FMLIndexedMessageToMessageCodec.java:51)
at io.netty.handler.codec.MessageToMessageCodec$1.encode(MessageToMessageCodec.java:67)
at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89)
... 24 more

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Stacktrace:
at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107)
at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116)
at io.netty.channel.DefaultChannelHandlerContext.invokeWrite(DefaultChannelHandlerContext.java:644)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:698)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:637)
at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:626)
at io.netty.channel.DefaultChannelPipeline.write(DefaultChannelPipeline.java:878)
at io.netty.channel.AbstractChannel.write(AbstractChannel.java:229)
at io.netty.channel.embedded.EmbeddedChannel.writeOutbound(EmbeddedChannel.java:195)
at cpw.mods.fml.common.network.FMLEmbeddedChannel.generatePacketFrom(FMLEmbeddedChannel.java:48)
at cpw.mods.fml.common.network.internal.FMLNetworkHandler.getEntitySpawningPacket(FMLNetworkHandler.java:123)
at net.minecraft.entity.EntityTrackerEntry.func_151260_c(EntityTrackerEntry.java:471)
at net.minecraft.entity.EntityTrackerEntry.func_73117_b(EntityTrackerEntry.java:359)
at net.minecraft.entity.EntityTracker.func_85172_a(EntityTracker.java:336)
at net.minecraft.entity.player.EntityPlayerMP.func_70071_h_(EntityPlayerMP.java:284)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
at net.minecraft.world.World.func_72870_g(World.java:2034)

-- Entity being ticked --
Details:
Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)
Entity ID: 448
Entity Name: MajorPayne181
Entity's Exact location: 366.81, 82.69, 196.35
Entity's Block location: World: (366,82,196), Chunk: (at 14,5,4 in 22,12; contains blocks 352,0,192 to 367,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1887)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)

-- Affected level --
Details:
Level name: Traincraft Test Track 1.7.10
All players: 1 total; [EntityPlayerMP['MajorPayne181'/448, l='Traincraft Test Track 1.7.10', x=366.81, y=82.69, z=196.35]]
Chunk stats: ServerChunkCache: 1141 Drop: 0
Level seed: 8653760367652333124
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (257,69,186), Chunk: (at 1,4,10 in 16,11; contains blocks 256,0,176 to 271,255,191), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 6059272 game time, 540222 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 57514 (now: false), thunder time: 102480 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
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:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Linux (amd64) version 4.15.0-32-generic
Java Version: 1.8.0_181, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 429235080 bytes (409 MB) / 738197504 bytes (704 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 7 total; -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 19, allocated: 12, tallocated: 94
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA tc{4.4.0_018} [Traincraft] (Traincraft-4.4.0_018_4711812fafbfe65404ac37c236f8f78de7ae017d.jar)
GL info: ERROR RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['MajorPayne181'/448, l='Traincraft Test Track 1.7.10', x=366.81, y=82.69, z=196.35]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Caused by: java.lang.ClassCastException: java.lang.Float cannot be cast to java.lang.Integer
at net.minecraft.entity.DataWatcher.func_151510_a(SourceFile:223)
at net.minecraft.entity.DataWatcher.func_151509_a(SourceFile:186)

will look for error later

It's in src/main/java/train/common/library/EnumTrains.java

Your tracking "skills" need work.
None of the changes in the code at that commit, or even that entire class are related to the datawatcher.

i'll doublecheck the datawatcher uses and see if there's an integer datawatcher getting a float, but this could be anything, in fact even some versions of thermos and forge have this issue without mods.

all I can See is the previous commit does not crash the game . I can't make sense of it either

Your right I was going backwards to find the last commit that worked

So the last commit that worked was 5f61bfe

just double checked

Well, thanks for the crashlog and testing if it worked, that's the stuff that REALLY makes a difference with this stuff.

Yes , It now works fine