message: alert KVstore
diff: @@ -5807,7 +5807,7 @@ KVstore::o2values_literal_vacuum(vector<unsigned>& obj_literal_ids, shared_ptr<T
  if(base_empty == false)
  {
  cerr << "delete keys" << endl;
  - assert(false);
  + // assert(false);
  this->removeKey(this->objID2values, _obj_id);
  }
  continue;
  