[fatal crash] Emitter HP atempted to divide by zero

[Shibva]

java.lang.ArithmeticException: / by zero
	at com.hbm.tileentity.machine.TileEntityForceField.getHealthScaled(TileEntityForceField.java:109)
	at com.hbm.inventory.gui.GUIForceField.func_146976_a(GUIForceField.java:70)
	at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:75)
	at com.hbm.inventory.gui.GUIForceField.func_73863_a(GUIForceField.java:35)
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396)
	at sun.reflect.GeneratedMethodAccessor37.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.optifine.reflect.Reflector.callVoid(Reflector.java:669)
	at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1462)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1119)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
	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:497)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)```