Describe the bug
java.lang.NoSuchFieldError: renderState
at net.dries007.tfc.objects.entity.EntityFallingBlockTFC.func_175131_l(EntityFallingBlockTFC.java:85) ~[EntityFallingBlockTFC.class:?]
at moe.plushie.armourers_workshop.common.handler.DollCraftingHandler.func_72709_b(DollCraftingHandler.java:72) ~[DollCraftingHandler.class:?]
at net.minecraft.world.World.func_72847_b(World.java:1567) ~[amu.class:?]
at net.minecraft.world.WorldServer.func_72847_b(WorldServer.java:1319) ~[oo.class:?]
at net.minecraft.world.World.func_72939_s(World.java:2156) ~[amu.class:?]
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:744) ~[oo.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:897) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:467) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:778) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:624) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]

This issue does not apply, or has been fixed in the current MC 1.18 versions of TFC, and as MC 1.12 is receiving no more development, it will be closed. If this issue arises again in 1.18, please file a new issue report.