hotfix #721

Author: Raycoms

src/main/java/com/ldtteam/structurize/util/BlockUtils.java

@@ -553,7 +553,11 @@ else if (item instanceof BlockItem)
             // place
             world.setBlock(here, Blocks.COBBLESTONE.defaultBlockState(), Block.UPDATE_CLIENTS);
             world.setBlock(here, newState, Constants.UPDATE_FLAG);
-            world.getBlockEntity(here).applyComponentsFromItemStack(stackToPlace);
+            final BlockEntity blockEntity = world.getBlockEntity(here);
+            if (blockEntity != null)
+            {
+                blockEntity.applyComponentsFromItemStack(stackToPlace);
+            }
             targetBlock.setPlacedBy(world, here, newState, fakePlayer, stackToPlace);
         }
         else if (item instanceof BucketItem)