crash report

---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 9/8/14 9:55 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.Error: Unresolved compilation problems:
    The method setUnlocalizedName(String) is undefined for the type Itemsonicbase
    The method getunlocalizedname() is undefined for the type Item
    Syntax error, insert "}" to complete Block
    Syntax error, insert "}" to complete Block

    at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)
    at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:515)
    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:239)
    at net.minecraft.client.Minecraft.startGame(Minecraft.java:532)
    at net.minecraft.client.Minecraft.run(Minecraft.java:941)
    at net.minecraft.client.main.Main.main(Main.java:164)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at GradleStart.bounce(GradleStart.java:107)
    at GradleStart.startClient(GradleStart.java:100)
    at GradleStart.main(GradleStart.java:55)
Caused by: java.lang.Error: Unresolved compilation problems:
    The method setUnlocalizedName(String) is undefined for the type Itemsonicbase
    The method getunlocalizedname() is undefined for the type Item
    Syntax error, insert "}" to complete Block
    Syntax error, insert "}" to complete Block

    at sonicscrewdriver.Sonic_screwdriver.preInit(Sonic_screwdriver.java:23)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
    at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:513)
    ... 17 more