Added error log message to lightweight materials upgraders. Added to error information material name.

ScriptableRenderPipeline/Core/Editor/MaterialUpgrader.cs

             if (upgrader != null)
                 upgrader.Upgrade(material, flags);
             else if ((flags & UpgradeFlags.LogMessageWhenNoUpgraderFound) == UpgradeFlags.LogMessageWhenNoUpgraderFound)
-                Debug.Log(string.Format("There's no upgrader to convert {0} shader to selected pipeline", material.shader.name));
+                Debug.Log(string.Format("{0} material was not upgraded. There's no upgrader to convert {1} shader to selected pipeline", material.name, material.shader.name));
         }
 
         public static void UpgradeSelection(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)

ScriptableRenderPipeline/LightweightPipeline/Editor/LightweightMaterialUpgrader.cs

             List<MaterialUpgrader> upgraders = new List<MaterialUpgrader>();
             GetUpgraders(ref upgraders);
 
-            MaterialUpgrader.UpgradeProjectFolder(upgraders, "Upgrade to Lightweight Pipeline Materials");
+            MaterialUpgrader.UpgradeProjectFolder(upgraders, "Upgrade to Lightweight Pipeline Materials", MaterialUpgrader.UpgradeFlags.LogMessageWhenNoUpgraderFound);
         }
 
         [MenuItem("Edit/Render Pipeline/Upgrade/Lightweight/Upgrade Selected Materials", priority = CoreUtils.editMenuPriority2)]
             GetUpgraders(ref upgraders);
 
-            MaterialUpgrader.UpgradeSelection(upgraders, "Upgrade to Lightweight Pipeline Materials");
+            MaterialUpgrader.UpgradeSelection(upgraders, "Upgrade to Lightweight Pipeline Materials", MaterialUpgrader.UpgradeFlags.LogMessageWhenNoUpgraderFound);
         }
 
         private static void GetUpgraders(ref List<MaterialUpgrader> upgraders)