Niko1229

How do I fix the following 1.8.9 Crash error? Time: 8/25/21 9:06 PM Description: Exception in server tick loop java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) at java.util.ArrayList$Itr.next(ArrayList.java:851) at com.tmtravlr.potioncore.PotionCoreEventHandler.onWorldTick(PotionCoreEventHandler.java:554) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_95_PotionCoreEventHandler_onWorldTick_WorldTickEvent.invoke(.dynamic) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49) at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140) at net.minecraftforge.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:261) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:710) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:281) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) at java.lang.Thread.run(Thread.java:745) 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: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 2027039560 bytes (1933 MB) / 3892314112 bytes (3712 MB) up to 4294967296 bytes (4096 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95 FML: MCP 9.19 Powered by Forge 11.15.1.2318 Optifine OptiFine_1.8.9_HD_U_L5 27 mods loaded, 27 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored UCHIJAAAA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) UCHIJAAAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.2318-1.8.9.jar) UCHIJAAAA Forge{11.15.1.2318} [Minecraft Forge] (forge-1.8.9-11.15.1.2318-1.8.9.jar) UCHIJAAAA ivtoolkit{1.2.6} [IvToolkit] (minecraft.jar) UCHIJAAAA movillages{1.5.1} [Mo' Villages] ([1.8.x]Mo'+Villages-1.5.1.jar) UCHIJAAAA ActuallyAdditions{1.8.9-r26} [Actually Additions] (ActuallyAdditions-1.8.9-r26.jar) UCHIJAAAA backpack{3.0.1} [Backpack] (backpack-3.0.1-1.8.9.jar) UCHIJAAAA birdsnests{1.3} [Bird's Nests] (BirdsNests1.8.9-1.3.jar) UCHIJAAAA Bloodmoon{1.2} [Bloodmoon] (Bloodmoon-MC1.8.8-1.4.jar) UCHIJAAAA ExtraUtils2{1.0} [ExtraUtils2] (extrautils2-1.8.9-alpha-0.0.2.jar) UCHIJAAAA HealthBar{1.0.1} [Health Bar] (HealthBar-1.8.9-1.0.1-10.jar) UCHIJAAAA mantle{1.8.9-0.9.2.jenkins102} [Mantle] (Mantle-1.8.9-0.9.2.jar) UCHIJAAAA tconstruct{1.8.9-2.2.1.jenkins1005} [Tinkers' Construct] (TConstruct-1.8.9-2.2.1.jar) UCHIJAAAA ImmersiveEngineering{0.8-32} [Immersive Engineering] (ImmersiveEngineering-0.8-32.jar) UCHIJAAAA InventoryPets{1.4.9} [Inventory Pets] (inventorypets-1.8.9-1.4.9.jar) UCHIJAAAA JEI{2.24.2.126} [Just Enough Items] (jei_1.8.9-2.24.2.126.jar) UCHIJAAAA lootplusplus{1.7.1_for_1.8.9} [Loot++] (Loot++-1.7.1_for_1.8.9 (2).jar) UCHIJAAAA lucky{7.0.2} [Lucky Block] (luckyblock-1.8.9-1-forge (1).jar) UCHIJAAAA potioncore{1.3_for_1.8.9} [Potion Core] (PotionCore-1.3_for_1.8.9 (1).jar) UCHIJAAAA ProjectE{1.8.9-PE1.1.4} [ProjectE] (ProjectE-1.8.9-PE1.1.4 (1).jar) UCHIJAAAA randomthings{3.6.6} [Random Things] (RandomThings-MC1.8.9-3.6.6.jar) UCHIJAAAA reccomplex{0.9.7.8.1} [Recurrent Complex] (RecurrentComplex-0.9.7.8.1.jar) UCHIJAAAA SoManyEnchantments{0.4.0} [Rin's So Many Enchantments] (SoManyEnchantments+Emergency(1.8.9)+V0.4.01+BETA.jar) UCHIJAAAA EnchExtensioner{0.3.0} [EnchExtensioner] (SoManyEnchantments+Emergency(1.8.9)+V0.4.01+BETA.jar) UCHIJAAAA torohealthmod{1.8.9-7} [ToroHealth Damage Indicators] (torohealth-1.8.9-7.jar) UCHIJAAAA VeinMiner{0.36.0_1.8.9-d08ea04} [Vein Miner] (VeinMiner-1.8.9-0.36.0.579+d08ea04.jar) UCHIJAAAA VeinMinerModSupport{0.36.0_1.8.9-d08ea04} [Mod Support] (VeinMiner-1.8.9-0.36.0.579+d08ea04.jar) Loaded coremods (and transformers): LoadingPlugin (Bloodmoon-MC1.8.8-1.4.jar) lumien.bloodmoon.asm.ClassTransformer CoreXU2 (extrautils2-1.8.9-alpha-0.0.2.jar) com.rwtema.extrautils2.asm.ClassTransformerHandler IvToolkit (IvToolkit-1.2.6.jar) LoadingPlugin (RandomThings-MC1.8.9-3.6.6.jar) lumien.randomthings.asm.ClassTransformer GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread. Pulsar/tconstruct loaded Pulses: - TinkerCommons (Enabled/Forced) - TinkerWorld (Enabled/Not Forced) - TinkerTools (Enabled/Not Forced) - TinkerSmeltery (Enabled/Not Forced) - TinkerGadgets (Enabled/Not Forced) - TinkerOredict (Enabled/Forced) - TinkerIntegration (Enabled/Forced) - TinkerFluids (Enabled/Forced) - TinkerMaterials (Enabled/Forced) Profiler Position: N/A (disabled) Player Count: 1 / 8; [EntityPlayerMP['SashaFInn07'/515, l='New World', x=540.29, y=68.00, z=-165.60]] Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fml,forge' OptiFine Version: OptiFine_1.8.9_HD_U_L5 OptiFine Build: 20191204-143016 Render Distance Chunks: 8 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false Shaders: null OpenGlVersion: 4.6.148201 Compatibility Profile Context 20.50.02.06 27.20.15002.6001 OpenGlRenderer: AMD Radeon(TM) Graphics OpenGlVendor: ATI Technologies Inc. CpuCount: 6