i think im having a similar problem can you take a look?
---- Minecraft Crash Report ----
// Why did you do that?
Time: 9/6/19 7:16 PM
Description: Ticking player
java.lang.NoSuchMethodError: net.minecraftforge.event.ForgeEventFactory.canEntitySpawn(Lnet/minecraft/entity/MobEntity;Lnet/minecraft/world/IWorld;DDDLnet/minecraft/world/spawner/AbstractSpawner;Lnet/minecraft/entity/SpawnReason;)Lnet/minecraftforge/eventbus/api/Event$Result;
at net.silentchaos512.gems.world.spawner.CorruptedSlimeSpawner.spawnGroup(CorruptedSlimeSpawner.java:66) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.world.spawner.CorruptedSlimeSpawner.spawnSlimes(CorruptedSlimeSpawner.java:34) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosEvents$$Lambda$2680/1838385385.apply(Unknown Source) ~[?:?] {}
at net.silentchaos512.gems.api.chaos.ChaosEvent.activate(ChaosEvent.java:40) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.api.chaos.ChaosEvent.tryActivate(ChaosEvent.java:34) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosEvents.lambda$tryChaosEvents$5(ChaosEvents.java:97) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosEvents$$Lambda$5897/1289740517.accept(Unknown Source) ~[?:?] {}
at java.util.HashMap.forEach(HashMap.java:1280) ~[?:1.8.0_51] {}
at net.silentchaos512.gems.chaos.ChaosEvents.tryChaosEvents(ChaosEvents.java:95) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosHandler.entitySourceTick(ChaosHandler.java:62) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosHandler.lambda$onLivingUpdate$0(ChaosHandler.java:47) ~[?:3.3.11+69] {}
at net.silentchaos512.gems.chaos.ChaosHandler$$Lambda$5674/729391447.accept(Unknown Source) ~[?:?] {}
at net.minecraftforge.common.util.LazyOptional.ifPresent(LazyOptional.java:161) ~[?:?] {}
at net.silentchaos512.gems.chaos.ChaosHandler.onLivingUpdate(ChaosHandler.java:46) ~[?:3.3.11+69] {}
at net.minecraftforge.eventbus.ASMEventHandler_277_ChaosHandler_onLivingUpdate_LivingUpdateEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80) ~[eventbus-1.0.0-service.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258) ~[eventbus-1.0.0-service.jar:?] {}
at net.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:307) ~[?:?] {}
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:1963) ~[?:?] {pl:accesstransformer:B,xf:fml:apotheosis:coremodmethod,xf:fml:caelus:coremodone}
at net.minecraft.entity.player.PlayerEntity.func_70071_h_(PlayerEntity.java:232) ~[?:?] {pl:accesstransformer:B}
at net.minecraft.entity.player.ServerPlayerEntity.func_71127_g(ServerPlayerEntity.java:365) ~[?:?] {pl:accesstransformer:B}
at net.minecraft.network.play.ServerPlayNetHandler.func_73660_a(ServerPlayNetHandler.java:183) ~[?:?] {}
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:228) ~[?:?] {}
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:135) ~[?:?] {}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:846) ~[?:?] {pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:764) ~[?:?] {pl:accesstransformer:B}
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:161) ~[?:?] {xf:OptiFine:default}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:622) [?:?] {pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] {}
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Server thread
Stacktrace:
at net.silentchaos512.gems.world.spawner.CorruptedSlimeSpawner.spawnGroup(CorruptedSlimeSpawner.java:66)
at net.silentchaos512.gems.world.spawner.CorruptedSlimeSpawner.spawnSlimes(CorruptedSlimeSpawner.java:34)
at net.silentchaos512.gems.chaos.ChaosEvents$$Lambda$2680/1838385385.apply(Unknown Source)
at net.silentchaos512.gems.api.chaos.ChaosEvent.activate(ChaosEvent.java:40)
at net.silentchaos512.gems.api.chaos.ChaosEvent.tryActivate(ChaosEvent.java:34)
at net.silentchaos512.gems.chaos.ChaosEvents.lambda$tryChaosEvents$5(ChaosEvents.java:97)
at net.silentchaos512.gems.chaos.ChaosEvents$$Lambda$5897/1289740517.accept(Unknown Source)
at java.util.HashMap.forEach(HashMap.java:1280)
at net.silentchaos512.gems.chaos.ChaosEvents.tryChaosEvents(ChaosEvents.java:95)
at net.silentchaos512.gems.chaos.ChaosHandler.entitySourceTick(ChaosHandler.java:62)
at net.silentchaos512.gems.chaos.ChaosHandler.lambda$onLivingUpdate$0(ChaosHandler.java:47)
at net.silentchaos512.gems.chaos.ChaosHandler$$Lambda$5674/729391447.accept(Unknown Source)
at net.minecraftforge.common.util.LazyOptional.ifPresent(LazyOptional.java:161)
at net.silentchaos512.gems.chaos.ChaosHandler.onLivingUpdate(ChaosHandler.java:46)
at net.minecraftforge.eventbus.ASMEventHandler_277_ChaosHandler_onLivingUpdate_LivingUpdateEvent.invoke(.dynamic)
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
at net.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:307)
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:1963)
at net.minecraft.entity.player.PlayerEntity.func_70071_h_(PlayerEntity.java:232)
-- Player being ticked --
Details:
Entity Type: minecraft:player (net.minecraft.entity.player.ServerPlayerEntity)
Entity ID: 334
Entity Name: codybug007
Entity's Exact location: 53.51, 48.00, 247.64
Entity's Block location: World: (53,48,247), Chunk: (at 5,3,7 in 3,15; contains blocks 48,0,240 to 63,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
at net.minecraft.entity.player.ServerPlayerEntity.func_71127_g(ServerPlayerEntity.java:365)
at net.minecraft.network.play.ServerPlayNetHandler.func_73660_a(ServerPlayNetHandler.java:183)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:228)
-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@46b36851
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:135)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:846)
