---- Minecraft Crash Report ---- // I feel sad now :( Time: 12:43 28/04/16 Description: Ticking screen java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(Unknown Source) at java.util.ArrayList$Itr.next(Unknown Source) at java.util.Collections$UnmodifiableCollection$1.next(Unknown Source) at bgt.a(SourceFile:67) at bgp.e(SourceFile:115) at bcd.t(SourceFile:1612) at bcd.av(SourceFile:984) at bcd.a(SourceFile:414) at net.minecraft.client.main.Main.main(SourceFile:124) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Client thread Stacktrace: at java.util.ArrayList$Itr.checkForComodification(Unknown Source) at java.util.ArrayList$Itr.next(Unknown Source) at java.util.Collections$UnmodifiableCollection$1.next(Unknown Source) at bgt.a(SourceFile:67) at bgp.e(SourceFile:115) -- Affected screen -- Details: Screen name: bgp Stacktrace: at bcd.t(SourceFile:1612) at bcd.av(SourceFile:984) at bcd.a(SourceFile:414) at net.minecraft.client.main.Main.main(SourceFile:124) -- System Details -- Details: Minecraft Version: 1.9.3-pre2 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 69711376 bytes (66 MB) / 382730240 bytes (365 MB) up to 954728448 bytes (910 MB) JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 Launched Version: 1.9.3-pre2 LWJGL: 2.9.4 OpenGL: GeForce GTX 760/PCIe/SSE2 GL version 4.5.0 NVIDIA 358.50, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing. Using GL 1.3 texture combiners. Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported. Shaders are available because OpenGL 2.1 is supported. VBOs are available because OpenGL 1.5 is supported. Using VBOs: No Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs: Current Language: English (US) Profiler Position: N/A (disabled) CPU: bcd$8@36c45149