net.minecraft.util.ReportedException: Rendering screen
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1142) ~[EntityRenderer.class:?]
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1117) ~[Minecraft.class:?]
	at net.minecraft.client.Minecraft.run(Minecraft.java:397) [Minecraft.class:?]
	at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97) [start/:?]
	at GradleStart.main(GradleStart.java:26) [start/:?]
Caused by: java.lang.AbstractMethodError: mobi.omegacentauri.raspberryjammod.GuiFactory.hasConfigGui()Z
	at net.minecraftforge.fml.client.GuiModList.updateCache(GuiModList.java:420) ~[GuiModList.class:?]
	at net.minecraftforge.fml.client.GuiModList.selectModIndex(GuiModList.java:351) ~[GuiModList.class:?]
	at net.minecraftforge.fml.client.GuiSlotModList.elementClicked(GuiSlotModList.java:65) ~[GuiSlotModList.class:?]
	at net.minecraftforge.fml.client.GuiScrollingList.drawScreen(GuiScrollingList.java:230) ~[GuiScrollingList.class:?]
	at net.minecraftforge.fml.client.GuiModList.drawScreen(GuiModList.java:308) ~[GuiModList.class:?]
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:349) ~[ForgeHooksClient.class:?]
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1115) ~[EntityRenderer.class:?]
	... 15 more
[22:06:13] [main/INFO]: [net.minecraft.init.Bootstrap:printToSYSOUT:552]: ---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 7/29/17 10:06 PM
Description: Rendering screen

java.lang.AbstractMethodError: mobi.omegacentauri.raspberryjammod.GuiFactory.hasConfigGui()Z
	at net.minecraftforge.fml.client.GuiModList.updateCache(GuiModList.java:420)
	at net.minecraftforge.fml.client.GuiModList.selectModIndex(GuiModList.java:351)
	at net.minecraftforge.fml.client.GuiSlotModList.elementClicked(GuiSlotModList.java:65)
	at net.minecraftforge.fml.client.GuiScrollingList.drawScreen(GuiScrollingList.java:230)
	at net.minecraftforge.fml.client.GuiModList.drawScreen(GuiModList.java:308)
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:349)
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1115)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1117)
	at net.minecraft.client.Minecraft.run(Minecraft.java:397)
	at net.minecraft.client.main.Main.main(SourceFile:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
	at GradleStart.main(GradleStart.java:26)


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

-- Head --
Thread: Client thread
Stacktrace:
	at net.minecraftforge.fml.client.GuiModList.updateCache(GuiModList.java:420)
	at net.minecraftforge.fml.client.GuiModList.selectModIndex(GuiModList.java:351)
	at net.minecraftforge.fml.client.GuiSlotModList.elementClicked(GuiSlotModList.java:65)
	at net.minecraftforge.fml.client.GuiScrollingList.drawScreen(GuiScrollingList.java:230)
	at net.minecraftforge.fml.client.GuiModList.drawScreen(GuiModList.java:308)
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:349)

-- Screen render details --
Details:
	Screen name: net.minecraftforge.fml.client.GuiModList
	Mouse location: Scaled: (37, 121). Absolute: (75, 236)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1115)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1117)
	at net.minecraft.client.Minecraft.run(Minecraft.java:397)
	at net.minecraft.client.main.Main.main(SourceFile:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
	at GradleStart.main(GradleStart.java:26)

-- System Details --
Details:
	Minecraft Version: 1.12
	Operating System: Linux (amd64) version 4.4.0-53-generic
	Java Version: 1.8.0_131, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 238581184 bytes (227 MB) / 557842432 bytes (532 MB) up to 874512384 bytes (834 MB)
	JVM Flags: 0 total;
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP 9.40 Powered by Forge 14.21.1.2387 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
	UCHIJA	minecraft{1.12} [Minecraft] (minecraft.jar)
	UCHIJA	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJA	FML{8.0.99.99} [Forge Mod Loader] (forgeBin-1.12-14.21.1.2387.jar)
	UCHIJA	forge{14.21.1.2387} [Minecraft Forge] (forgeBin-1.12-14.21.1.2387.jar)
	UCHIJA	sir{0.1} [sir] (1.12_simple_registry_helper_main)
	UCHIJA	raspberryjammod{0.91} [Raspberry Jam Mod] (RaspberryJamMod.jar)
	Loaded coremods (and transformers):
	GL info: ' Vendor: 'Intel Open Source Technology Center' Version: '2.1 Mesa 12.0.6' Renderer: 'Mesa DRI Intel(R) Ironlake Mobile '
	Launched Version: 1.12
	LWJGL: 2.9.4
	OpenGL: Mesa DRI Intel(R) Ironlake Mobile  GL version 2.1 Mesa 12.0.6, Intel Open Source Technology Center
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object 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: Yes
	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)
	CPU: 2x Intel(R) Celeron(R) CPU P4500 @ 1.87GHz
[22:06:13] [main/INFO]: [net.minecraft.init.Bootstrap:printToSYSOUT:552]: #@!@# Game crashed! Crash report saved to: #@!@# /home/frontrider/javaproj/1.12 raspberrymod helper/./crash-reports/crash-2017-07-29_22.06.13-client.txt
Disconnected from the target VM, address: '127.0.0.1:38923', transport: 'socket'