Add additional check

ApplicationCode/Commands/RicNewContourMapViewFeature.cpp

@@ -301,6 +301,7 @@ RimGeoMechContourMapView* RicNewContourMapViewFeature::createGeoMechContourMapFr
     contourMap->setDefaultCustomName();
     
     // make sure no surfaces are shown in the view when the contourmap is generated
+    if ( contourMap->surfaceInViewCollection() )
         contourMap->surfaceInViewCollection()->setCheckState( Qt::Unchecked );
 
     caf::PdmDocument::updateUiIconStateRecursively( contourMap );