Integrated Dynamics crash

[09:49:29] [Server thread/FATAL] [ne.mi.co.ForgeMod/]: Preparing crash report with UUID a7a031ee-0d2a-4ddd-811a-8b5dd816e01f
[09:49:29] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
net.minecraft.crash.ReportedException: Ticking block entity
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:855) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:78) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Thread.java:834) [?:?] {}
Caused by: java.lang.ClassCastException: class org.cyclops.integrateddynamics.core.evaluate.variable.ValueObjectTypeItemStack$ValueItemStack cannot be cast to class org.cyclops.integrateddynamics.core.evaluate.variable.ValueTypeOperator$ValueOperator (org.cyclops.integrateddynamics.core.evaluate.variable.ValueObjectTypeItemStack$ValueItemStack and org.cyclops.integrateddynamics.core.evaluate.variable.ValueTypeOperator$ValueOperator are in unnamed module of loader cpw.mods.modlauncher.TransformingClassLoader @26cb5207)
	at org.cyclops.integrateddynamics.core.evaluate.variable.ValueTypeOperator.materialize(ValueTypeOperator.java:36) ~[integrateddynamics:1.7.2] {re:classloading}
	at org.cyclops.integrateddynamics.tileentity.TileMaterializer.writeMaterialized(TileMaterializer.java:128) ~[integrateddynamics:1.7.2] {re:classloading}
	at org.cyclops.integrateddynamics.tileentity.TileMaterializer.func_73660_a(TileMaterializer.java:116) ~[integrateddynamics:1.7.2] {re:classloading}
	at net.minecraft.world.World.func_217391_K(World.java:491) ~[?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:371) ~[?:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:851) ~[?:?] {re:classloading,pl:accesstransformer:B}
	... 5 more
AL lib: (EE) alc_cleanup: 1 device not closed
Process exited with code 255.