you should drop your stuff before poping!

Author: Allmoz

src/main/java/com/simibubi/create/content/contraptions/Contraption.java

@@ -22,6 +22,9 @@
 
 import javax.annotation.Nullable;
 
+import net.minecraft.world.Container;
+import net.minecraft.world.Containers;
+
 import org.apache.commons.lang3.tuple.MutablePair;
 import org.apache.commons.lang3.tuple.Pair;
 
@@ -1167,6 +1170,14 @@ public void addBlocksToWorld(Level world, StructureTransform transform) {
 					.isEmpty())) {
 					if (targetPos.getY() == world.getMinBuildHeight())
 						targetPos = targetPos.above();
+					if(state.hasBlockEntity()){
+						CompoundTag tag = block.nbt();
+						if(tag != null){
+							BlockEntity blockEntity = BlockEntity.loadStatic(targetPos, state, tag);
+							if (blockEntity instanceof Container container)
+								Containers.dropContents(world, targetPos, container);
+						}
+					}
 					world.levelEvent(2001, targetPos, Block.getId(state));
 					Block.dropResources(state, world, targetPos, null);
 					continue;