java.lang.ExceptionInInitializerError: null
	at alexiil.mc.mod.pipes.blocks.TilePipe.getItemInsertable(TilePipe.java:130) ~[9b143acb-c87f-4dc1-973e-3acfe1813dbd.jar:?]
	at alexiil.mc.mod.pipes.blocks.PipeFlowItem.canConnect(PipeFlowItem.java:112) ~[9b143acb-c87f-4dc1-973e-3acfe1813dbd.jar:?]
	at alexiil.mc.mod.pipes.blocks.TilePipe.canConnect(TilePipe.java:107) ~[9b143acb-c87f-4dc1-973e-3acfe1813dbd.jar:?]
	at alexiil.mc.mod.pipes.blocks.TilePipe.onNeighbourChange(TilePipe.java:94) ~[9b143acb-c87f-4dc1-973e-3acfe1813dbd.jar:?]
	at alexiil.mc.mod.pipes.blocks.BlockPipe.method_9567(BlockPipe.java:149) ~[9b143acb-c87f-4dc1-973e-3acfe1813dbd.jar:?]
	at net.minecraft.class_1747.method_7712(class_1747.java:81) ~[intermediary-server.jar:?]
	at net.minecraft.class_1747.method_7884(class_1747.java:41) ~[intermediary-server.jar:?]
	at net.minecraft.class_1799.method_7981(class_1799.java:213) ~[intermediary-server.jar:?]
	at net.minecraft.class_3225.method_14262(class_3225.java:348) ~[intermediary-server.jar:?]
	at net.minecraft.class_3244.method_12046(class_3244.java:976) ~[intermediary-server.jar:?]
	at net.minecraft.class_2885.method_12547(class_2885.java:36) ~[intermediary-server.jar:?]
	at net.minecraft.class_2885.method_11054(class_2885.java:10) ~[intermediary-server.jar:?]
	at net.minecraft.class_2600.method_11072(class_2600.java:21) ~[intermediary-server.jar:?]
	at net.minecraft.class_3738.run(class_3738.java:18) ~[intermediary-server.jar:?]
	at net.minecraft.class_1255.method_18859(class_1255.java:144) ~[intermediary-server.jar:?]
	at net.minecraft.class_4093.method_18859(class_4093.java:23) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_24306(MinecraftServer.java:763) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_18859(MinecraftServer.java:154) ~[intermediary-server.jar:?]
	at net.minecraft.class_1255.method_16075(class_1255.java:118) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:745) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_16075(MinecraftServer.java:739) ~[intermediary-server.jar:?]
	at net.minecraft.class_1255.method_5383(class_1255.java:103) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:723) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:676) ~[intermediary-server.jar:?]
	at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:256) ~[intermediary-server.jar:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: java.lang.IllegalArgumentException: The given interface net.minecraft.class_3954 is a superclass/superinterface of the base class class net.minecraft.class_2248 - which won't work very well, because it will override everything else
	at alexiil.mc.lib.attributes.AdderList.putClassBased(AdderList.java:177) ~[f730e30b-c490-43c0-845a-6c9e22a4c0c4.jar:?]
	at alexiil.mc.lib.attributes.Attribute.putBlockClassAdder(Attribute.java:185) ~[f730e30b-c490-43c0-845a-6c9e22a4c0c4.jar:?]
	at alexiil.mc.lib.attributes.item.ItemAttributes.create(ItemAttributes.java:129) ~[9a27acc1-8b15-4198-a1a5-77300029f253.jar:?]
	at alexiil.mc.lib.attributes.item.ItemAttributes.<clinit>(ItemAttributes.java:78) ~[9a27acc1-8b15-4198-a1a5-77300029f253.jar:?]
	... 26 more