modified method getStudy

diff --git a/src/SalomeApp/SalomeApp_DataModel.cxx b/src/SalomeApp/SalomeApp_DataModel.cxx
index 4a39c9943ea3ae4e6c4d8c010ecc96c97f0ced0b..e2b9fbef297a4fb62e4e75f2d2acb4dba2c6540e 100644 (file)
--- a/src/SalomeApp/SalomeApp_DataModel.cxx
+++ b/src/SalomeApp/SalomeApp_DataModel.cxx
@@ -256,6 +256,7 @@ SalomeApp_Module* SalomeApp_DataModel::getModule() const
 //================================================================
 SalomeApp_Study* SalomeApp_DataModel::getStudy() const
 {
+  if(!root()) return 0;
   SalomeApp_RootObject* aRoot = dynamic_cast<SalomeApp_RootObject*>( root()->root() );
   if ( !aRoot )
     return 0;