Array out of bounds exception in 1.12

Its really weird, id been playing for hours with no issue then suddenly this out of nowhere. I was running around placing torches and blocks

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.rangeCheck(ArrayList.java:653) at java.util.ArrayList.remove(ArrayList.java:492) at com.rolandoislas.multihotbar.HotbarLogic.reorderPickedupItem(HotbarLogic.java:419) at com.rolandoislas.multihotbar.HotbarLogic.playerTick(HotbarLogic.java:480) at com.rolandoislas.multihotbar.event.EventHandlerClient.playerTick(EventHandlerClient.java:93) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_381_EventHandlerClient_playerTick_PlayerTickEvent.invoke(.dynamic) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179) at net.minecraftforge.fml.common.FMLCommonHandler.onPlayerPostTick(FMLCommonHandler.java:368) at net.minecraft.entity.player.EntityPlayer.func_184808_cD(EntityPlayer.java:376) at net.minecraft.entity.player.EntityPlayer.func_70071h(EntityPlayer.java:286) at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:382) at net.minecraft.network.NetHandlerPlayServer.func_73660_a(NetHandlerPlayServer.java:171) at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:211) at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:285) at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:179) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:784) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:665) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:239) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:523) at java.lang.Thread.run(Thread.java:745)

rolandoislas / multi-hotbar

Array out of bounds exception in 1.12 #27