Applier error: class codechicken.multipart.handler.MultipartSaveLoad$TileNBTContainer is missing a mapping! This is a bug!
 java.lang.RuntimeException: class codechicken.multipart.handler.MultipartSaveLoad$TileNBTContainer is missing a mapping! This is a bug!
 	at net.minecraft.tileentity.TileEntity.func_145841_b(TileEntity.java:84)
 	at org.bukkit.craftbukkit.v1_7_R4.block.CraftBlockState.<init>(CraftBlockState.java:49)
 	at org.bukkit.craftbukkit.v1_7_R4.block.CraftBlock.getState(CraftBlock.java:316)
 	at me.botsko.prism.actions.BlockAction.placeBlock(BlockAction.java:514)
 	at me.botsko.prism.actions.BlockAction.applyRollback(BlockAction.java:264)
 	at me.botsko.prism.appliers.Preview$1.run(Preview.java:297)
 	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
 	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:346)
 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:873)
 	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:431)
 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:809)
 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:669)
 	at java.lang.Thread.run(Thread.java:745)