So all of these mods were working before but now its crashing. here is the crash report
---- Minecraft Crash Report ----
WARNING: coremods are present:
Mine and Blade: Battlegear2 (1.8.9-MB_Battlegear2-Bullseye-1.0.10.2.jar)
Contact their authors BEFORE contacting forge
// Would you like a cupcake?
Time: 10/21/20 12:27 PM
Description: There was a severe problem during mod loading that has caused the game to fail
net.minecraftforge.fml.common.LoaderException: java.lang.IllegalArgumentException: The name lootplusplus:plural.op_box has been registered twice, for Block{lootplusplus:plural.op_box} and Block{null}.
at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:286)
at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:226)
at com.tmtravlr.lootplusplus.config.ConfigLoaderBlocks.loadBlockAdditions(ConfigLoaderBlocks.java:200)
at com.tmtravlr.lootplusplus.LootPlusPlusMod.afterInit(LootPlusPlusMod.java:219)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:211)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:296)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:740)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:310)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:495)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.IllegalArgumentException: The name lootplusplus:plural.op_box has been registered twice, for Block{lootplusplus:plural.op_box} and Block{null}.
at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:438)
at net.minecraftforge.fml.common.registry.GameData.registerBlock(GameData.java:125)
at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:276)
... 39 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.8.9
Operating System: Mac OS X (x86_64) version 10.9.5
Java Version: 1.8.0_74, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 338127360 bytes (322 MB) / 872415232 bytes (832 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
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.19 Powered by Forge 11.15.1.2318 24 mods loaded, 24 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJ mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHIJ FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.2318-1.8.9.jar)
UCHIJ Forge{11.15.1.2318} [Minecraft Forge] (forge-1.8.9-11.15.1.2318-1.8.9.jar)
UCHIJ battlegear2{1.8.9} [Mine & Blade Battlegear 2 - Bullseye] (1.8.9-MB_Battlegear2-Bullseye-1.0.10.2.jar)
UCHIJ moSwords{v2} [moSwords] ([1.8.9]moSwords+v2.jar)
UCHIJ babymobs{1.4} [Baby Mobs] (BabyMobs-1.8.9-1.4.jar)
UCHIJ backpack{3.0.1} [Backpack] (Backpacks-Mod-1.8.9.jar)
UCHIJ cakeisalie{5.1.1} [CakeIsALie] (CakeIsALie-1.8.9-5.1.1.jar)
UCHIJ candycraftmod{Beta 1.3.1} [�dCandyCraft] (CandyCraft-1.3.1+(1).jar)
UCHIJ cfm{4.0.1} [MrCrayfish's Furniture Mod] (cfm-4.0.1-mc1.8.9.jar)
UCHIJ doggytalents{1.14.2.308} [Doggy Talents] (Doggy-Talents-Mod-1.8.9.jar)
UCHIJ gemsplus{1.7} [Gems+] (gemsplus-1.7-mc1.8.9.jar)
UCHIJ harvestcraft{1.8.9d} [Pam's HarvestCraft] (HarvestCraft-Mod-1.8.9.jar)
UCHIJ jaffa{2.90.6} [JAFFA (HarvestCraft Addon)] (JAFFA-2.90.6.jar)
UCHIJ JEI{2.22.4.106} [Just Enough Items] (jei_1.8.9-2.22.4.106.jar)
UCHIJ journeymap{1.8.9-5.2.4} [JourneyMap] (journeymap-1.8.9-5.2.4-unlimited.jar)
UCHIJ KeepingInventory{2.1} [Keeping Inventory] (KeepingInventory-1.8.9-2.1.jar)
UCHIE lootplusplus{1.7.1_for_1.8.9} [Loot++] (Loot++-1.7.1_for_1.8.9.jar)
UCHIJ LotsOfFood{1.10.0} [Lots of Food] (Lots+of+Food-1.10.0.jar)
UCHIJ thinkbigcore{1.5.3} [�5�m===�r �e�lThink Big Core �5�m===�r] (ThinkBigCore-1.5.3-MC1.8.9.jar)
UCHIJ lot{1.3.3} [�9�lLots of Things] (LotsOfThings-1.3.3-MC1.8.9.jar)
UCHIJ lucky{7.0.2} [Lucky Block] (luckyblock-1.8.9-1.jar)
UCHIJ MSM3{3.1.0.123} [More Swords 3] (MoreSwords-1.8.9-3.1.0.123.jar)
UCHIJ ytluckyblocks{6.1.1} [YouTuber's Lucky Blocks Mod] (youtubers-lucky-blocks-mod-1.8.9.jar)
Loaded coremods (and transformers):
Mine and Blade: Battlegear2 (1.8.9-MB_Battlegear2-Bullseye-1.0.10.2.jar)
mods.battlegear2.coremod.transformers.EntityPlayerTransformer
mods.battlegear2.coremod.transformers.ModelBipedTransformer
mods.battlegear2.coremod.transformers.NetClientHandlerTransformer
mods.battlegear2.coremod.transformers.NetServerHandlerTransformer
mods.battlegear2.coremod.transformers.PlayerControllerMPTransformer
mods.battlegear2.coremod.transformers.ItemRendererTransformer
mods.battlegear2.coremod.transformers.RenderItemTransformer
mods.battlegear2.coremod.transformers.MinecraftTransformer
mods.battlegear2.coremod.transformers.ItemStackTransformer
mods.battlegear2.coremod.transformers.ItemInWorldTransformer
mods.battlegear2.coremod.transformers.EntityAIControlledByPlayerTransformer
mods.battlegear2.coremod.transformers.EntityOtherPlayerMPTransformer