Merge branch 'blender-v3.3-release'

source/blender/editors/object/object_add.cc

@@ -3715,14 +3715,15 @@ static int duplicate_exec(bContext *C, wmOperator *op)
     }
   }
   CTX_DATA_END;
-  /* Sync the collection now, after everything is duplicated. */
   BKE_layer_collection_resync_allow();
-  BKE_main_collection_sync(bmain);
 
   if (source_bases_new_objects.is_empty()) {
     return OPERATOR_CANCELLED;
   }
 
+  /* Sync the collection now, after everything is duplicated. */
+  BKE_main_collection_sync(bmain);
+
   /* After sync we can get to the new Base data, process it here. */
   for (const auto &item : source_bases_new_objects) {
     Object *ob_new = item.second;