WARNING: coremods are present:
SpongeCoremod (spongeforge-1.12.2-2838-7.1.9.jar)
Techguns Core (techguns-1.12.2-2.0.2.0_pre3.1.jar)
Contact their authors BEFORE contacting forge

// Hey, that tickles! Hehehe!

Time: 2/6/20 2:41 AM
Description: Exception ticking world entities

java.lang.IndexOutOfBoundsException: Index: 476, Size: 476
at java.util.ArrayList.rangeCheck(ArrayList.java:657)
at java.util.ArrayList.remove(ArrayList.java:496)
at net.minecraft.world.World.func_72939_s(World.java:1793)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:3928)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:767)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:748)

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

-- Head --
Thread: Server thread
Stacktrace:
at java.util.ArrayList.rangeCheck(ArrayList.java:657)
at java.util.ArrayList.remove(ArrayList.java:496)
at net.minecraft.world.World.func_72939_s(World.java:1793)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:3928)

Details:
Minecraft Version: 1.12.2
Operating System: Linux (amd64) version 3.10.0-1062.9.1.el7.x86_64
Java Version: 1.8.0_242, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 892913288 bytes (851 MB) / 2675441664 bytes (2551 MB) up to 5726797824 bytes (5461 MB)
JVM Flags: 2 total; -Xmx6G -XX:+AggressiveOpts
IntCache: cache: 0, tcache: 0, allocated: 6, tallocated: 98
FML: MCP 9.42 Powered by Forge 14.23.5.2847 40 mods loaded, 40 mods active

SpongeCoremod (spongeforge-1.12.2-2838-7.1.9.jar)
org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
Techguns Core (techguns-1.12.2-2.0.2.0_pre3.1.jar)
techguns.core.TechgunsASMTransformer
AE2 Version: stable rv5-stable-11 for Forge 14.23.1.2554
Pulsar/tconstruct loaded Pulses:
- TinkerCommons (Enabled/Forced)
- TinkerWorld (Enabled/Not Forced)
- TinkerTools (Enabled/Not Forced)
- TinkerHarvestTools (Enabled/Forced)
- TinkerMeleeWeapons (Enabled/Forced)
- TinkerRangedWeapons (Enabled/Forced)
- TinkerModifiers (Enabled/Forced)
- TinkerSmeltery (Enabled/Not Forced)
- TinkerGadgets (Enabled/Not Forced)
- TinkerOredict (Enabled/Forced)
- TinkerIntegration (Enabled/Forced)
- TinkerFluids (Enabled/Forced)
- TinkerMaterials (Enabled/Forced)
- TinkerModelRegister (Enabled/Forced)

AE2 Integration: IC2:ON, RC:OFF, MFR:OFF, Waila:OFF, Mekanism:OFF, OpenComputers:OFF, THE_ONE_PROBE:OFF, TESLA:OFF, CRAFTTWEAKER:OFF