NPE in key handler - see stack trace

[coolAlias]

Stacktrace:
at dynamicswordskills.client.DSSKeyHandler.handleSkillKeys(DSSKeyHandler.java:160)
at dynamicswordskills.client.DSSKeyHandler.onKeyPressed(DSSKeyHandler.java:113)
at dynamicswordskills.client.DSSClientEvents.onMouseChanged(DSSClientEvents.java:116)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_811_DSSClientEvents_onMouseChanged_MouseEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.client.ForgeHooksClient.postMouseEvent(ForgeHooksClient.java:273)
at net.minecraft.client.Minecraft.func_184124_aB(Minecraft.java:2275)