---- Minecraft Crash Report ---- WARNING: coremods are present: llibrary (llibrary-core-1.0.10-1.12.2.jar) Contact their authors BEFORE contacting forge // I feel sad now :( Time: 8/28/22 10:31 PM Description: Exception in server tick loop java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1469) at java.util.HashMap$KeyIterator.next(HashMap.java:1493) at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:290) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:779) at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) at java.lang.Thread.run(Thread.java:750) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Linux (amd64) version 5.4.0-107-generic Java Version: 1.8.0_342, Oracle Corporation Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1370142384 bytes (1306 MB) / 1739063296 bytes (1658 MB) up to 2143813632 bytes (2044 MB) JVM Flags: 3 total; -XX:MaxMetaspaceSize=400M -Xmx2300M -Xms1150M IntCache: cache: 0, tcache: 4, allocated: 20, tallocated: 86 FML: MCP 9.42 Powered by Forge 14.23.5.2796 6 mods loaded, 6 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored | State | ID | Version | Source | Signature | |:------ |:------------ |:------------ |:------------------------------ |:---------------------------------------- | | LCHIJA | minecraft | 1.12.2 | minecraft.jar | None | | LCHIJA | mcp | 9.42 | minecraft.jar | None | | LCHIJA | FML | **.**.**.** | server.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LCHIJA | forge | 14.23.5.2796 | server.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LCHIJA | llibrary | 1.7.17 | llibrary-1.12.2-1.7.17.jar | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec | | LCHIJA | jurassicraft | 2.1.23 | JurassiCraft-1.12.2-2.1.23.jar | None | Loaded coremods (and transformers): llibrary (llibrary-core-1.0.10-1.12.2.jar) net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher Profiler Position: N/A (disabled) Player Count: 2 / 8; [EntityPlayerMP['Panna'/329, l='world', x=430.07, y=63.00, z=464.30], EntityPlayerMP['BeNI_YT'/603, l='world', x=117.43, y=31.00, z=347.28]] Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt)