diff --git a/src/graph/helper.cc b/src/graph/helper.cc index 1dd96373cd357d20312635dba1e0dc81423b65dd..f898acb89fadea96921531326acdef33ff6f9660 100644 --- a/src/graph/helper.cc +++ b/src/graph/helper.cc @@ -1043,6 +1043,9 @@ namespace hpp { const std::vector <Rule>& rules, const value_type& prePlaceWidth) { + if (ps->graphs.has (graphName)) + throw std::invalid_argument ("A graph named " + graphName + " already exists."); + const Device& robot = *(ps->robot ()); const pinocchio::Model& model = robot.model(); Grippers_t grippers (griNames.size());