Fix bug in 4c93270ad for IfcMaterialLayers

src/bonsai/bonsai/bim/module/material/operator.py

@@ -888,5 +888,8 @@ class SelectMaterialInMaterialsUI(bpy.types.Operator):
         item_index, _ = material_item
         props.active_material_index = item_index
 
-        self.report({"INFO"}, f"Material '{material.Name}' is selected in Materials UI.")
+        self.report(
+            {"INFO"},
+            f"Material '{tool.Material.get_material_name(material) or 'Unnamed'}' is selected in Materials UI.",
+        )
         return {"FINISHED"}

src/bonsai/bonsai/tool/material.py

@@ -429,3 +429,14 @@ class Material(bonsai.core.tool.Material):
 
         i += cls.purge_unused_materials()
         return i
+
+    @classmethod
+    def get_material_name(cls, material: ifcopenshell.entity_instance) -> Union[str, None]:
+        ifc_class = material.is_a()
+        if ifc_class == "IfcMaterialList":
+            return None
+        elif ifc_class == "IfcMaterialLayerSet":
+            # Optional IfcLabel.
+            return material.LayerSetName
+        # Optional IfcLabel except for IfcMaterial.
+        return material.Name