fix i think

common/src/main/java/org/valkyrienskies/mod/mixin/mod_compat/create/accessors/CopycatBlockEntityAccessor.java

@@ -0,0 +1,12 @@
+package org.valkyrienskies.mod.mixin.mod_compat.create.accessors;
+
+import com.simibubi.create.content.decoration.copycat.CopycatBlockEntity;
+import net.minecraft.world.item.ItemStack;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(CopycatBlockEntity.class)
+public interface CopycatBlockEntityAccessor {
+    @Accessor("consumedItem")
+    void setCoItem(ItemStack stack);
+}

common/src/main/kotlin/org/valkyrienskies/mod/util/RelocationUtil.kt

@@ -3,6 +3,7 @@ package org.valkyrienskies.mod.util
 import net.minecraft.core.BlockPos
 import net.minecraft.world.Clearable
 import net.minecraft.world.Container
+import net.minecraft.world.item.ItemStack
 import net.minecraft.world.level.Level
 import net.minecraft.world.level.block.Blocks
 import net.minecraft.world.level.block.Rotation
@@ -12,6 +13,7 @@ import net.minecraft.world.level.block.entity.RandomizableContainerBlockEntity
 import net.minecraft.world.level.block.state.BlockState
 import net.minecraft.world.level.chunk.LevelChunk
 import org.valkyrienskies.core.api.ships.ServerShip
+import org.valkyrienskies.mod.mixin.mod_compat.create.accessors.CopycatBlockEntityAccessor
 
 private val AIR = Blocks.AIR.defaultBlockState()
 
@@ -48,6 +50,10 @@ fun relocateBlock(
             it.setLootTable(null, 0)
         }
 
+        if (it is CopycatBlockEntityAccessor) {
+            it.setCoItem(ItemStack.EMPTY)
+        }
+
         tag
     }
 

common/src/main/resources/valkyrienskies-common.mixins.json

@@ -67,6 +67,7 @@
     "mod_compat.create.MixinRedstoneLinkNetworkHandler",
     "mod_compat.create.MixinSharedDepotBlockMethods",
     "mod_compat.create.accessors.ChuteBlockEntityAccessor",
+    "mod_compat.create.accessors.CopycatBlockEntityAccessor",
     "mod_compat.create.accessors.Matrix3dAccessor",
     "mod_compat.create.accessors.OutlineParamsAccessor",
     "mod_compat.create.behaviour.MixinBlockBreakingMovementBehaviour",
@@ -168,8 +169,9 @@
     "mod_compat.create.client.MixinSoundScapes",
     "mod_compat.create.client.MixinTileEntityRenderHelper",
     "mod_compat.create.client.MixinTrainRelocator",
-    "mod_compat.create.client.trackOutlines.MixinBigOutlines",
     "mod_compat.create.client.MixinValueBox",
+    "mod_compat.create.client.trackOutlines.MixinBigOutlines",
+    "mod_compat.create.client.trackOutlines.MixinTrackBlockOutline",
     "mod_compat.flywheel.InstancingEngineAccessor",
     "mod_compat.flywheel.MixinBlockEntityInstanceManager",
     "mod_compat.flywheel.MixinInstanceManager",