[18:10:39] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
net.minecraft.crash.ReportedException: Ticking block entity
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:869) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:800) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:646) [?:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_181] {}
Caused by: java.lang.ClassCastException: net.minecraftforge.common.util.LazyOptional cannot be cast to java.lang.Runnable
	at futurepack.depend.api.helper.HelperEnergyTransfer.spreadPower(HelperEnergyTransfer.java:375) ~[?:?] {re:classloading}
	at futurepack.common.block.inventory.TileEntityFlashServer.tick(TileEntityFlashServer.java:147) ~[?:?] {re:classloading}
	at net.minecraft.world.World.func_217391_K(World.java:671) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.server.ServerWorld.tick(ServerWorld.java:370) ~[?:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:865) ~[?:?] {re:classloading,pl:accesstransformer:B}