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Can someone help please? I just downloaded forge today along with a bunch of mods including pams harvestcraft,bspkrs core, , smart moving, extrabiomesxl, player api core, smart moving, too many items and plenty o biomes.

heres the crash report:

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// I'm sorry, Dave.

Time: 3/29/16 3:02 PM
Description: Initializing game

java.lang.NoSuchMethodError: net.minecraftforge.client.event.GuiScreenEvent$InitGuiEvent$Pre.getGui()Lnet/minecraft/client/gui/GuiScreen;
at biomesoplenty.common.handler.GuiEventHandler.onPreInitCreateWorld(GuiEventHandler.java:26)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_28_GuiEventHandler_onPreInitCreateWorld_Pre.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.minecraft.client.gui.GuiScreen.func_146280_a(GuiScreen.java:483)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:958)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:523)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:346)
at net.minecraft.client.main.Main.main(SourceFile:124)
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)

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

-- Head --
Stacktrace:
at biomesoplenty.common.handler.GuiEventHandler.onPreInitCreateWorld(GuiEventHandler.java:26)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_28_GuiEventHandler_onPreInitCreateWorld_Pre.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.minecraft.client.gui.GuiScreen.func_146280_a(GuiScreen.java:483)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:958)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:523)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:346)
at net.minecraft.client.main.Main.main(SourceFile:124)
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)

-- System Details --
Details:
Minecraft Version: 1.9
Operating System: Mac OS X (x86_64) version 10.11.3
Java Version: 1.8.0_74, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 12862392 bytes (12 MB) / 539205632 bytes (514 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.23 Powered by Forge 12.16.0.1770 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHIJA FML{8.0.99.99} [Forge Mod Loader] (forge-1.9-12.16.0.1770-1.9.jar)
UCHIJA Forge{12.16.0.1770} [Minecraft Forge] (forge-1.9-12.16.0.1770-1.9.jar)
UCHIJA BiomesOPlenty{4.0.0} [Biomes O' Plenty] (BiomesOPlenty-1.9-4.0.0.1973-universal.jar)
Loaded coremods (and transformers):
Launched Version: 1.9-forge1.9-12.16.0.1770-1.9
LWJGL: 2.9.2
OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.12.13, Intel Inc.
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: No
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: Equanimity 1.9.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz