X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/45c3f1cfee86fb48c96d53f8267f99b6db6e3d7a..2c4d8c756e13c86df7dd3dd60be1a4d984aad999:/src/surf/surf_routing_cluster.cpp

diff --git a/src/surf/surf_routing_cluster.cpp b/src/surf/surf_routing_cluster.cpp
index 25cf788bdd..02c11ba7b1 100644
--- a/src/surf/surf_routing_cluster.cpp
+++ b/src/surf/surf_routing_cluster.cpp
@@ -90,7 +90,7 @@ void AsCluster::getGraph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges)
   xbt_node_t current, previous, backboneNode = NULL, routerNode;
   s_surf_parsing_link_up_down_t info;
 
-  xbt_assert(p_router,"Malformed cluster");
+  xbt_assert(p_router,"Malformed cluster. This may be because your platform file is a hypergraph while it must be a graph.");
 
   /* create the router */
   char *link_name = p_router->getName();