Attack of the B-Team fails to start world

[Haroldean]

Hey y'all - 

My AOTB world continues to crash even after i fixed it by deleting a mapwriter. Here is the crash report:

Time: 4/27/20 5:38 PM
Description: Loading entity NBT

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.rangeCheck(Unknown Source)
    at java.util.ArrayList.get(Unknown Source)
    at net.minecraft.nbt.NBTTagList.func_74743_b(NBTTagList.java:113)
    at net.minecraft.entity.Entity.func_70020_e(Entity.java:1619)
    at net.minecraft.world.storage.SaveHandler.func_75752_b(SaveHandler.java:296)
    at net.minecraft.server.management.ServerConfigurationManager.func_72380_a(ServerConfigurationManager.java:245)
    at net.minecraft.server.management.ServerConfigurationManager.func_72355_a(ServerConfigurationManager.java:113)
    at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:97)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:691)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)

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

-- Head --
Stacktrace:
    at java.util.ArrayList.rangeCheck(Unknown Source)
    at java.util.ArrayList.get(Unknown Source)
    at net.minecraft.nbt.NBTTagList.func_74743_b(NBTTagList.java:113)

-- Entity being loaded --
Details:
    Entity Type: null (micdoodle8.mods.galacticraft.core.entities.player.GCCorePlayerMP)
    Entity ID: 592
    Entity Name: pj_boz
    Entity's Exact location: 225.50, 68.00, 202.50
    Entity's Block location: World: (225,68,202), Chunk: (at 1,4,10 in 14,12; contains blocks 224,0,192 to 239,255,207), 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.entity.Entity.func_70020_e(Entity.java:1619)
    at net.minecraft.world.storage.SaveHandler.func_75752_b(SaveHandler.java:296)
    at net.minecraft.server.management.ServerConfigurationManager.func_72380_a(ServerConfigurationManager.java:245)
    at net.minecraft.server.management.ServerConfigurationManager.func_72355_a(ServerConfigurationManager.java:113)
    at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:97)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:691)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)

 

not sure what the error is now, since the world worked briefly before this crash. pls reply if u know the problem! world means a lot to me...