Minecraft Forums

---- Minecraft Crash Report ----
// My bad.

Time: 7/21/14 4:15 PM
Description: Updating screen events

cpw.mods.fml.relauncher.ReflectionHelper$UnableToAccessFieldException: java.lang.NullPointerException
at cpw.mods.fml.relauncher.ReflectionHelper.setPrivateValue(ReflectionHelper.java:147)
at cpw.mods.fml.common.ObfuscationReflectionHelper.setPrivateValue(ObfuscationReflectionHelper.java:91)
at cpw.mods.fml.client.GuiOldSaveLoadConfirm.func_146284_a(GuiOldSaveLoadConfirm.java:61)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1628)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NullPointerException
at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:36)
at sun.reflect.UnsafeBooleanFieldAccessorImpl.set(UnsafeBooleanFieldAccessorImpl.java:57)
at java.lang.reflect.Field.set(Field.java:657)
at cpw.mods.fml.relauncher.ReflectionHelper.setPrivateValue(ReflectionHelper.java:143)
... 15 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at cpw.mods.fml.relauncher.ReflectionHelper.setPrivateValue(ReflectionHelper.java:147)
at cpw.mods.fml.common.ObfuscationReflectionHelper.setPrivateValue(ObfuscationReflectionHelper.java:91)
at cpw.mods.fml.client.GuiOldSaveLoadConfirm.func_146284_a(GuiOldSaveLoadConfirm.java:61)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)

-- Affected screen --
Details:
Screen name: cpw.mods.fml.client.GuiOldSaveLoadConfirm
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1628)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.9.4
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 17247360 bytes (16 MB) / 129957888 bytes (123 MB) up to 129957888 bytes (123 MB)
JVM Flags: 0 total;
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.18.1180 Minecraft Forge 10.13.0.1180 3 mods loaded, 3 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.18.1180} [Forge Mod Loader] (forge-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.0.1180} [Minecraft Forge] (forge-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: 1.7.10-Forge10.13.0.1180
LWJGL: 2.9.1
OpenGL: Intel HD Graphics 5000 OpenGL Engine GL version 2.1 INTEL-8.28.30, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)