assert

GUI/View/SampleDesigner/MaterialInplaceForm.cpp

@@ -78,6 +78,7 @@ void MaterialInplaceForm::selectMaterial()
 void MaterialInplaceForm::createWidgets()
 {
     auto* material = m_item->materialItem();
+    ASSERT(material);
 
     // -- Create UI for delta/beta resp. sldRe/sldIm
     DoubleDescriptors values;